id stringlengths 7 11 | source stringclasses 1
value | category stringclasses 11
values | title stringlengths 15 214 | text stringlengths 70 30.5k | url stringlengths 57 160 | tags stringlengths 3 113 | created_at int64 1.22B 1.79B |
|---|---|---|---|---|---|---|---|
se_76557111 | stackoverflow | DATA_SCIENCE | sklearn OrdinalEncoder default ordering (categories='auto') | sklearn OrdinalEncoder default ordering (categories='auto')
What is the default rule used by sklearn OrdinaleEcoder to determine the order of the categories when categories='auto'?
Is it just sorted lexicographically? couldn't find it in the docs | https://stackoverflow.com/questions/76557111/sklearn-ordinalencoder-default-ordering-categories-auto | scikit-learn, data-science | 1,687,785,731 |
se_59409967 | stackoverflow | DATA_SCIENCE | Proper way to handle highly imbalanced data - binary classification | Proper way to handle highly imbalanced data - binary classification
I have a really large dataset with 60 million rows and 11 features.
It is highly imbalanced dataset, 20:1 (signal:background).
As I saw, there are two ways to tackle this problem:
First: Under-sampling/Oversampling.
I have two problems/questions in th... | https://stackoverflow.com/questions/59409967/proper-way-to-handle-highly-imbalanced-data-binary-classification | python, pandas, machine-learning, neural-network, data-science | 1,576,759,036 |
se_79284426 | stackoverflow | DATA_SCIENCE | How to manage memory consumption in deep learning models? | How to manage memory consumption in deep learning models?
When I run this code, the runtime session automatically closes. There is no space in RAM left. Hence the session closes automatically. I am using pytorch in Google Colab notebook. I tried switching from CPU to GPU but still the session closes automatically.
!pi... | https://stackoverflow.com/questions/79284426/how-to-manage-memory-consumption-in-deep-learning-models | deep-learning, pytorch, data-science, large-language-model, transfer-learning | 1,734,346,810 |
se_79373414 | stackoverflow | DATA_SCIENCE | Create a graphic for a multiindexed data frame | Create a graphic for a multiindexed data frame
This is my first question. I don't find the way to create a graphic from a multi indexed data frame so I can show the development goes for the answers of a test. It keeps throwing errors. First part of the code just explains how I created the data frame so you all can hav... | https://stackoverflow.com/questions/79373414/create-a-graphic-for-a-multiindexed-data-frame | python, dataframe, jupyter-notebook, seaborn, data-science | 1,737,441,574 |
se_75350622 | stackoverflow | DATA_SCIENCE | IntCastingNaNError: Cannot convert non-finite values (NA or inf) to integer | IntCastingNaNError: Cannot convert non-finite values (NA or inf) to integer
While on executing this particular line of code I am getting error.Need to convert particular column havin string datatype to numerical values
data['sex'] = data['sex'].map( {'male': 1, 'female': 0} ).astype("int64")
Error message
IntCasting... | https://stackoverflow.com/questions/75350622/intcastingnanerror-cannot-convert-non-finite-values-na-or-inf-to-integer | python, data-science | 1,675,580,930 |
se_79361278 | stackoverflow | DATA_SCIENCE | X (Twitter) webscraping using twikit. How to validate if auth_token expired? | X (Twitter) webscraping using twikit. How to validate if auth_token expired?
I am trying to use twikit python lib to webscrape X (formerly known as twitter).
I am unable to validate if the auth_token expired or not.
Here is the code snippet for your reference:
from twikit import Client, TooManyRequests
import time
fro... | https://stackoverflow.com/questions/79361278/x-twitter-webscraping-using-twikit-how-to-validate-if-auth-token-expired | python, web-scraping, twitter, data-science | 1,737,024,716 |
se_59035008 | stackoverflow | DATA_SCIENCE | SHAP value can explain right? | SHAP value can explain right?
I face a problem with using SHAP value to interpret a Tree-based model (https://github.com/slundberg/shap).
First, I have input around 30 features and I have 2 features that have high positive correlation between them.
After that, I train the XGBoost model(python) and look at SHAP values ... | https://stackoverflow.com/questions/59035008/shap-value-can-explain-right | python, machine-learning, data-science, xgboost, shap | 1,574,695,286 |
se_43163296 | stackoverflow | DATA_SCIENCE | Pandas multiindex dataframe - Selecting max from one index within multiindex | Pandas multiindex dataframe - Selecting max from one index within multiindex
I've got a dataframe with a multi index of Year and Month like the following
| |Value
Year |Month|
| 1 | 3
1992 | 2 | 5
| 3 | 8
| ... | ...
1993 | 1 | 2
| ... | ...
I'm trying to select the maximu... | https://stackoverflow.com/questions/43163296/pandas-multiindex-dataframe-selecting-max-from-one-index-within-multiindex | python, python-3.x, pandas, dataframe, data-science | 1,491,091,637 |
se_79270683 | stackoverflow | DATA_SCIENCE | How to encode item features with high number of categories for recommendation | How to encode item features with high number of categories for recommendation
For the recommendation problem I am working on, there are around 50000 unique brands and 3 level product categories, level_1_cat (50 categories), level_2_cat (100 categories) and level_3_cat (1000 categories). All these item features are rep... | https://stackoverflow.com/questions/79270683/how-to-encode-item-features-with-high-number-of-categories-for-recommendation | machine-learning, encoding, data-science, categorical-data, recommendation-engine | 1,733,899,140 |
se_79317603 | stackoverflow | DATA_SCIENCE | Azure Video Indexer API: "USER_NOT_ALLOWED" Error When Checking Blurring Job Status After Completion of Bluring | Azure Video Indexer API: "USER_NOT_ALLOWED" Error When Checking Blurring Job Status After Completion of Bluring
Current permissions
I am working with the Azure Video Indexer API in Python to process videos, specifically to index and blur them. While both the indexing and blurring processes run successfully u... | https://stackoverflow.com/questions/79317603/azure-video-indexer-api-user-not-allowed-error-when-checking-blurring-job-sta | python, azure, data-science, azure-video-indexer | 1,735,562,013 |
se_79314154 | stackoverflow | DATA_SCIENCE | ERROR: raise ValueError(f"Shape of passed values is {passed}, indices imply {implied}") when using GridSearchCV | ERROR: raise ValueError(f"Shape of passed values is {passed}, indices imply {implied}") when using GridSearchCV
I tried to use GridSearchCV to train pipeline model but I met this error. When I trained without GridSearchCV, there is no error, so I don't understand what is the problem.
class FeatureEngineering... | https://stackoverflow.com/questions/79314154/error-raise-valueerrorfshape-of-passed-values-is-passed-indices-imply-imp | data-science, pipeline, one-hot-encoding, gridsearchcv | 1,735,403,293 |
se_51265625 | stackoverflow | DATA_SCIENCE | Invalid length argument | Invalid length argument
I want to convert all the columns of my dataframe to numeric format.
I use lapply - like this:
data.frame(lapply(dat, numeric))
But I get an error from this code:
Invalid length argument
However, it is working when I tried with individual columns:
lapply(dat$x.Type, numeric)
But then agai... | https://stackoverflow.com/questions/51265625/invalid-length-argument | r, dataframe, data-science, sapply | 1,531,226,805 |
se_75796047 | stackoverflow | DATA_SCIENCE | How to evaluate the quality of PCA returned by torch.pca_lowrank()? | How to evaluate the quality of PCA returned by torch.pca_lowrank()?
I use the following piece of code:
U, S, V = torch.pca_lowrank(A, q=self.n_components)
self.V = V
self.projection = torch.matmul(A, V)
How to compute the cumulative percent variance or any other accuracy metric (single value between 0 and 100%) based... | https://stackoverflow.com/questions/75796047/how-to-evaluate-the-quality-of-pca-returned-by-torch-pca-lowrank | pytorch, data-science, linear-algebra, pca, precision-recall | 1,679,353,024 |
se_79204051 | stackoverflow | DATA_SCIENCE | Problem with SHAP plot for multiclass problem | Problem with SHAP plot for multiclass problem
I have following this code:
from xgboost import XGBClassifier
import shap
from sklearn.preprocessing import LabelEncoder
# Encode the labels for multiclass classification
label_encoder = LabelEncoder()
y_enc = label_encoder.fit_transform(y)
# Train an XGBoost model
model... | https://stackoverflow.com/questions/79204051/problem-with-shap-plot-for-multiclass-problem | python, data-science | 1,732,030,316 |
se_59616786 | stackoverflow | DATA_SCIENCE | Scikit-fuzzy getting error raise ValueError("Unexpected input: " + key) | Scikit-fuzzy getting error raise ValueError("Unexpected input: " + key)
My code - on scikit-fuzzy lib
- 2 inputs - one temperature in room, another desired temperature. Output - temperature sugested in boiler furnace. Everything in °C.
pastebin.com/Vz3cMXUk
I really can't dont know how to resolve this, ... | https://stackoverflow.com/questions/59616786/scikit-fuzzy-getting-error-raise-valueerrorunexpected-input-key | python, data-science | 1,578,333,520 |
se_52173203 | stackoverflow | DATA_SCIENCE | How do I force clustering of data in a specific evident pattern? | How do I force clustering of data in a specific evident pattern?
I have a large set of 'Vehicle speed vs Engine RPM' values for a vehicle. I'm try to predict the time spent by the vehicle on each gear.
I ran K-Means clustering on the dataset and got the following result:
Clearly, my algorithm has failed to capture ... | https://stackoverflow.com/questions/52173203/how-do-i-force-clustering-of-data-in-a-specific-evident-pattern | python, scikit-learn, data-science | 1,536,091,009 |
se_72030718 | stackoverflow | DATA_SCIENCE | Getting straight line while creating ARIMA model | Getting straight line while creating ARIMA model
I have a Fan Speed (RPM) dataset of 192.405 Values (train+test values). I am training the ARIMA model and trying to predict the rest of the future values of our dataset and comparing the results.
While fitting the model in test data I am getting straight line for predic... | https://stackoverflow.com/questions/72030718/getting-straight-line-while-creating-arima-model | python, data-science, prediction, forecasting, arima | 1,651,070,496 |
se_79261395 | stackoverflow | DATA_SCIENCE | Aggregate function as an argument | Aggregate function as an argument
I need to write a function:
def group_and_aggregate_data(df:pd.DataFrame, group_by_column:str, agg_func) -> pd.DataFrame
that groups my Excel data by city name and applies the agg_func passed as an argument. I tried this:
def group_and_aggregate_data(dataframe, cond, func):
df_by... | https://stackoverflow.com/questions/79261395/aggregate-function-as-an-argument | python, pandas, data-science | 1,733,605,131 |
se_62976233 | stackoverflow | DATA_SCIENCE | What is 'fit' in Machine learning? | What is 'fit' in Machine learning?
What is 'fit' in machine learning? I noticed in some cases it is a synonym for training.
Can someone please explain in layman's term? | https://stackoverflow.com/questions/62976233/what-is-fit-in-machine-learning | machine-learning, data-science | 1,595,132,299 |
se_79077092 | stackoverflow | DATA_SCIENCE | Need to fix time zone issue for my Python, Pyspark processing job | Need to fix time zone issue for my Python, Pyspark processing job
I have database column in Postgres aurora “last_updated_timestamp” which is without timezone and has value “2024-08-01 00:00:00”
I am fetching that value using pyspark df when I do df.show()
It is showing same value :
2024-08-01 00:00:00.
For my use cas... | https://stackoverflow.com/questions/79077092/need-to-fix-time-zone-issue-for-my-python-pyspark-processing-job | python, pyspark, data-science, parquet, data-engineering | 1,728,629,835 |
se_78862342 | stackoverflow | DATA_SCIENCE | Finding maximum of multiple arrays in respect to their index, that can vary | Finding maximum of multiple arrays in respect to their index, that can vary
Problem description:
I have got values that do correspond to specific conrer_ids, elements. From multiple sets of these values I need to find maximum ones and generate arrays containing conrer_ids, elements and their respective values.
exampl... | https://stackoverflow.com/questions/78862342/finding-maximum-of-multiple-arrays-in-respect-to-their-index-that-can-vary | pandas, numpy, data-science, scientific-computing | 1,723,474,676 |
se_51410033 | stackoverflow | DATA_SCIENCE | What is the definition of the terms SPATIAL and TEMPORAL in terms of statistics, data science or machine learning | What is the definition of the terms SPATIAL and TEMPORAL in terms of statistics, data science or machine learning
What is the exact definition of spatial and temporal? I saw in many places people use these two terms, e.g., spatial vector, temporal vector, temporal factor, spatial location.
I was searching in StackOve... | https://stackoverflow.com/questions/51410033/what-is-the-definition-of-the-terms-spatial-and-temporal-in-terms-of-statistics | machine-learning, statistics, spatial, data-science, temporal | 1,531,943,573 |
se_76436619 | stackoverflow | DATA_SCIENCE | Getting RuntimeError : configs/COCO-Detection/faster_rcnn_R_50_FPN_3x.yaml not available in Model Zoo! while Running Detectron2 for Object Detection | Getting RuntimeError : configs/COCO-Detection/faster_rcnn_R_50_FPN_3x.yaml not available in Model Zoo! while Running Detectron2 for Object Detection
Want to train a custom Image Dataset by Detectron2 Faster_RCNN model . I am using a wsl2 ubuntu terminal and a VScode in my windows os. In my train.py, I initiate a confi... | https://stackoverflow.com/questions/76436619/getting-runtimeerror-configs-coco-detection-faster-rcnn-r-50-fpn-3x-yaml-not-a | python, data-science, pre-trained-model, faster-rcnn, detectron | 1,686,273,760 |
se_79215418 | stackoverflow | DATA_SCIENCE | Error in odbcConnectAccess2007("BD-Embalses.mdb"). R could not find the function "odbcConnectAccess2007" after installing and loading RODBC | Error in odbcConnectAccess2007("BD-Embalses.mdb"). R could not find the function "odbcConnectAccess2007" after installing and loading RODBC
I'm a student of Data Science, and I'm working in a project to visualize a database of Spanish reservoirs; but I'm getting this error:
# package installations ... | https://stackoverflow.com/questions/79215418/error-in-odbcconnectaccess2007bd-embalses-mdb-r-could-not-find-the-function | r, database, ms-access, odbc, data-science | 1,732,286,034 |
se_60696799 | stackoverflow | DATA_SCIENCE | Searching for (maybe spurious) correlation in google trends | Searching for (maybe spurious) correlation in google trends
This is a bit of an odd question but I was thinking about this for some time now and I would be very interested in best practice of doing this:
Let's assume I have a dataset with a time series variable X. Now I want to find ALL google search terms Y that hav... | https://stackoverflow.com/questions/60696799/searching-for-maybe-spurious-correlation-in-google-trends | data-science, correlation, google-trends | 1,584,300,740 |
se_72157515 | stackoverflow | DATA_SCIENCE | Trying plot two geodataframes with two legends in the same plot in Geopandas | Trying plot two geodataframes with two legends in the same plot in Geopandas
I have gotten a trouble with multi layers in the same plot with geopandas. I got plot both successfully separately, however to plot two legends (one to each) I could not. Below it is the code to read the datasets.
dfGeo = pd.read_csv('drive/M... | https://stackoverflow.com/questions/72157515/trying-plot-two-geodataframes-with-two-legends-in-the-same-plot-in-geopandas | python, matplotlib, plot, data-science, geopandas | 1,651,974,294 |
se_62746655 | stackoverflow | DATA_SCIENCE | XGBoost Python error: "Size of labels must equal to number of rows" | XGBoost Python error: "Size of labels must equal to number of rows"
I am using xgboost in Python.
import pandas as pd
import numpy as np
import xgboost as xgb
from sklearn.model_selection import train_test_split
df=pd.read_csv('442.csv')
y=df.columnone
X=df.columnfive
X_train,X_test,Y_train,Y_test=train_te... | https://stackoverflow.com/questions/62746655/xgboost-python-error-size-of-labels-must-equal-to-number-of-rows | python, data-science, xgboost | 1,593,985,429 |
se_54762690 | stackoverflow | DATA_SCIENCE | Evaluation of topic modeling: How to understand a coherence value / c_v of 0.4, is it good or bad? | Evaluation of topic modeling: How to understand a coherence value / c_v of 0.4, is it good or bad?
I need to know whether coherence score of 0.4 is good or bad? I use LDA as topic modelling algorithm.
What is the average coherence score in this context? | https://stackoverflow.com/questions/54762690/evaluation-of-topic-modeling-how-to-understand-a-coherence-value-c-v-of-0-4 | data-science, lda, topic-modeling | 1,550,568,197 |
se_76836255 | stackoverflow | DATA_SCIENCE | Deploy chatbot to AzureFunction | Deploy chatbot to AzureFunction
Im trying to deploy Chatbot to Azure Function.
Im using vs code to deploy to code and also debugging with Azure Tools and Azurite. Locally everything is working.
After deploying a got this error:
" import duckdb ImportError: generic_type: type "ExplainType" is already registered"
So i... | https://stackoverflow.com/questions/76836255/deploy-chatbot-to-azurefunction | python, azure, azure-functions, data-science, chatbot | 1,691,154,680 |
se_60462446 | stackoverflow | DATA_SCIENCE | In R how to plot the tail area of a normal distribution using ggplot? | In R how to plot the tail area of a normal distribution using ggplot?
I found a way to "hack" ggplot by combining two geom_area plots to create a normal distribution with a tail area:
library(ggplot2)
mean <- 0
standard_deviation <- 1
Zscore <- -1.35
observation = (Zscore*standard_deviation) + mean
(tail_area <- ro... | https://stackoverflow.com/questions/60462446/in-r-how-to-plot-the-tail-area-of-a-normal-distribution-using-ggplot | r, ggplot2, data-science, normal-distribution | 1,582,956,056 |
se_79183884 | stackoverflow | DATA_SCIENCE | How to use Python to replicate Random Forest Regression prediction using decision paths? | How to use Python to replicate Random Forest Regression prediction using decision paths?
I'm trying to test whether I've understood the way RandomForestRegressor produces forecast after a model's fitted. I used the California housing example to train a simple model and predict the first value in my test set. I then us... | https://stackoverflow.com/questions/79183884/how-to-use-python-to-replicate-random-forest-regression-prediction-using-decisio | machine-learning, scikit-learn, data-science, random-forest | 1,731,484,553 |
se_76463707 | stackoverflow | DATA_SCIENCE | unable to install lap==0.4.0 library in python | unable to install lap==0.4.0 library in python
I was trying to install lap for object detection but i cloud not do it.
I have try to installed it on python version 9 , 10 and 11 also but i cant do it
I am learning object detection from
Murtaza's Workshop - Robotics and AI.
or is there any way to fix this problem
C:\\... | https://stackoverflow.com/questions/76463707/unable-to-install-lap-0-4-0-library-in-python | python, machine-learning, data-science, object-detection, cvzone | 1,686,650,126 |
se_42993550 | stackoverflow | DATA_SCIENCE | GridSearchCV - XGBoost - Early Stopping | GridSearchCV - XGBoost - Early Stopping
i am trying to do hyperparemeter search with using scikit-learn's GridSearchCV on XGBoost. During gridsearch i'd like it to early stop, since it reduce search time drastically and (expecting to) have better results on my prediction/regression task. I am using XGBoost via its Sci... | https://stackoverflow.com/questions/42993550/gridsearchcv-xgboost-early-stopping | python-3.x, scikit-learn, regression, data-science, xgboost | 1,490,339,703 |
se_78874263 | stackoverflow | DATA_SCIENCE | Error get_features_name_out in getting back the feature name | Error get_features_name_out in getting back the feature name
I want to know the feature importance to my data, so I use permutation_importance. When I get the result, it seems the feature already decoded, and I want to know the name of my feauture using get_features_name_out. It turns an error 'StandardScaler' object ... | https://stackoverflow.com/questions/78874263/error-get-features-name-out-in-getting-back-the-feature-name | python, pandas, scikit-learn, data-science | 1,723,710,687 |
se_79167418 | stackoverflow | DATA_SCIENCE | Creating Team Data Science Process in ADO | Creating Team Data Science Process in ADO
Our organization is currently utilizing Azure DevOps (ADO), and we're interested in integrating the "Team Data Science Process" (TDSP) into our data science and machine learning project workflows within ADO.
Upon accessing ADO Board --> Process, I notice that there are four av... | https://stackoverflow.com/questions/79167418/creating-team-data-science-process-in-ado | azure-devops, process, data-science | 1,730,998,958 |
se_79165649 | stackoverflow | DATA_SCIENCE | Handling Multiple Entity Candidates in Short Texts for Entity Linking with SciSpacy | Handling Multiple Entity Candidates in Short Texts for Entity Linking with SciSpacy
I am working on linking short texts to entities in a biomedical knowledge graph (UMLS CUIs) using SciSpacy for a research project. The goal is to analyze the relationship between the linked entity and a separate predefined entity.
My c... | https://stackoverflow.com/questions/79165649/handling-multiple-entity-candidates-in-short-texts-for-entity-linking-with-scisp | nlp, data-science, spacy, named-entity-recognition, entity-linking | 1,730,969,534 |
se_52631965 | stackoverflow | DATA_SCIENCE | Text Classification + NLP + Data-mining + Data Science: Should I do stop word removal and stemming before applying tf-idf? | Text Classification + NLP + Data-mining + Data Science: Should I do stop word removal and stemming before applying tf-idf?
I am working on a text classification problem. The problem is explained below:
I have a dataset of events which contains three columns - name of the event, description of the event, category of t... | https://stackoverflow.com/questions/52631965/text-classification-nlp-data-mining-data-science-should-i-do-stop-word-re | nlp, data-mining, data-science, text-classification, tf-idf | 1,538,585,194 |
se_79146128 | stackoverflow | DATA_SCIENCE | Loading Fuzzywuzzy into conda environment on VS Code won't work | Loading Fuzzywuzzy into conda environment on VS Code won't work
I currently cannot install fuzzywuzzy but fuzzy matching is quite vital to a data project I'm working on as the dataset contains thousands of points and needs to be grouped computationally. I'm fairly new to VS Code so perhaps that is why but used the... | https://stackoverflow.com/questions/79146128/loading-fuzzywuzzy-into-conda-environment-on-vs-code-wont-work | python, visual-studio-code, data-science, fuzzywuzzy | 1,730,403,328 |
se_79141121 | stackoverflow | DATA_SCIENCE | How to use Github Rest API properly | How to use Github Rest API properly
I am doing my college assignment project. But am not able to find these data using github api:
login: Their Github user ID
name: Their full name
company: The company they work at. Clean up company names. At least make sure:
They're trimmed of whitespace
Leading @ symbol is stripped ... | https://stackoverflow.com/questions/79141121/how-to-use-github-rest-api-properly | github, web-scraping, data-science | 1,730,291,349 |
se_66376105 | stackoverflow | DATA_SCIENCE | How to perform standardization and normalization on features from different feature engineering process? | How to perform standardization and normalization on features from different feature engineering process?
I'm working with a dataset where each sample contains both numeric and text data. Therefore multiple methods are employed to build the training feature matrix from the dataset. For each sample in the dataset, I con... | https://stackoverflow.com/questions/66376105/how-to-perform-standardization-and-normalization-on-features-from-different-feat | python, machine-learning, scikit-learn, data-science | 1,614,285,530 |
se_74398053 | stackoverflow | DATA_SCIENCE | Parallel querying indices for a list of filter expressions in polars dataframe | Parallel querying indices for a list of filter expressions in polars dataframe
I want to get the indices for a list of filters in polars and get a sparse matrix from it, how can I parallel the process? This is what I have right now, a pretty naive and brute force way for achieving what I need, but this is having some ... | https://stackoverflow.com/questions/74398053/parallel-querying-indices-for-a-list-of-filter-expressions-in-polars-dataframe | python, scipy, data-science, python-polars | 1,668,141,279 |
se_54267745 | stackoverflow | DATA_SCIENCE | Implementing custom loss function in scikit learn | Implementing custom loss function in scikit learn
I want to implement a custom loss function in scikit learn. I use the following code snippet:
def my_custom_loss_func(y_true,y_pred):
diff3=max((abs(y_true-y_pred))*y_true)
return diff3
score=make_scorer(my_custom_loss_func,greater_ is_better=False)
clf=RandomF... | https://stackoverflow.com/questions/54267745/implementing-custom-loss-function-in-scikit-learn | python, machine-learning, scikit-learn, data-science, gridsearchcv | 1,547,905,667 |
se_76667920 | stackoverflow | DATA_SCIENCE | Fill NaN values in Polars using a custom-defined function for a specific column | Fill NaN values in Polars using a custom-defined function for a specific column
I have this code in pandas:
df[col] = (
df[col]
.fillna(method="ffill", limit=1)
.apply(lambda x: my_function(x))
)
I want to re-write this in Polars.
I have tried this:
df = df.with_columns(
... | https://stackoverflow.com/questions/76667920/fill-nan-values-in-polars-using-a-custom-defined-function-for-a-specific-column | python, data-science, python-polars | 1,689,145,543 |
se_67329095 | stackoverflow | DATA_SCIENCE | When should you convert Age column in float or int? | When should you convert Age column in float or int?
I had this doubt, often datasets have the Age column values in either int or float datatype (Eg Titanic).
So suppose the column has all float values, should you convert them all to int or let it be just like that while feeding it to ML Model,
Does it have any harm or... | https://stackoverflow.com/questions/67329095/when-should-you-convert-age-column-in-float-or-int | python-3.x, pandas, dataframe, numpy, data-science | 1,619,763,691 |
se_79067886 | stackoverflow | DATA_SCIENCE | `inner_kws` having no effect on Seaborn violin plot | `inner_kws` having no effect on Seaborn violin plot
I generated a bunch of violin plots, here is an example of one and the code that generates it:
plt.figure(figsize=(8, 4))
ax = sns.violinplot(
x=data, # `data` is a few thousand float values between 0 and 1
orient='h',
color=get_color(ff), # `get_color` r... | https://stackoverflow.com/questions/79067886/inner-kws-having-no-effect-on-seaborn-violin-plot | python, matplotlib, seaborn, data-science, visualization | 1,728,424,167 |
se_60363476 | stackoverflow | DATA_SCIENCE | Impute missing values with mean of column in machine learning | Impute missing values with mean of column in machine learning
I know that imputing missing values is exactly what it sounds, i'm talking about imputing it with mean of the column. I usually impute missing values before i split the data into train and test but then i saw this QnA that said
CAUTION: if you want to ... | https://stackoverflow.com/questions/60363476/impute-missing-values-with-mean-of-column-in-machine-learning | python, machine-learning, data-science | 1,582,469,880 |
se_62710093 | stackoverflow | DATA_SCIENCE | How do I install sklearn module properly? | How do I install sklearn module properly?
I'm trying to install sklearn module using pip command but after the installation is completed , all I can see is this folder
C:\Users\Aditi\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\sklearn-0.0-py... | https://stackoverflow.com/questions/62710093/how-do-i-install-sklearn-module-properly | python, scikit-learn, data-science, sklearn-pandas | 1,593,759,652 |
se_79044783 | stackoverflow | DATA_SCIENCE | Create Kedro PartitionedDataset of PartitionedDatasets | Create Kedro PartitionedDataset of PartitionedDatasets
I'm working in a kedro project where I want to automatically label thousands of audio files, apply transformations to them and then store them in a folder of folders, each subfolder corresponding to one label. I want that folder of folders to be a catalog entry o... | https://stackoverflow.com/questions/79044783/create-kedro-partitioneddataset-of-partitioneddatasets | python, machine-learning, dataset, data-science, kedro | 1,727,817,760 |
se_74241047 | stackoverflow | DATA_SCIENCE | How to install pyodide package on vs code | How to install pyodide package on vs code
I want to use the pyodide package on a data analysis project on vs code but i can't install this packcage , I need help please
I tried to run pip install pyodide but i have this problem :
Collecting pyodide
Using cached pyodide-0.0.2.tar.gz (19 kB)
Preparing metadata (setup.p... | https://stackoverflow.com/questions/74241047/how-to-install-pyodide-package-on-vs-code | python, visual-studio-code, data-science, data-analysis, pyodide | 1,666,992,194 |
se_79003349 | stackoverflow | DATA_SCIENCE | Selecting multiple columns (`MultiIndex` based) within a `DataFrameGroupBy` | Selecting multiple columns (`MultiIndex` based) within a `DataFrameGroupBy`
I have a complex dataframe with multiple columns. All of them being MultiIndex based. At some point I wanted to be quite specific when it comes to estimating some metrics so I started experimenting with the .groupby method. I can manage to do ... | https://stackoverflow.com/questions/79003349/selecting-multiple-columns-multiindex-based-within-a-dataframegroupby | python, pandas, group-by, data-science | 1,726,759,857 |
se_44932469 | stackoverflow | DATA_SCIENCE | Optimizer Tuning in sklearn Gaussian Process Regressor | Optimizer Tuning in sklearn Gaussian Process Regressor
I'm attempting to use a GaussianProcessRegressor as part of scikit-learn 0.18.1
I'm training on 200 data points and using 13 input features for my kernel – a constant multiplied by a radial basis function with twelve elements. The model runs without complaints, b... | https://stackoverflow.com/questions/44932469/optimizer-tuning-in-sklearn-gaussian-process-regressor | python, machine-learning, scikit-learn, data-science | 1,499,275,386 |
se_71354682 | stackoverflow | DATA_SCIENCE | Conditioning previous values within groups in R | Conditioning previous values within groups in R
I'm trying to write a code that will allow me to create a TRUE or FALSE variable within the groups name depending on the value of the earliest record of the column poped of the following data.frame:
library(tidyverse)
name<-c("AAA","AAA","AAA","AAA","AAA","AAA","AA... | https://stackoverflow.com/questions/71354682/conditioning-previous-values-within-groups-in-r | r, data-science, data-wrangling | 1,646,412,908 |
se_72101295 | stackoverflow | DATA_SCIENCE | Python : GridSearchCV taking too long to finish running | Python : GridSearchCV taking too long to finish running
I'm attempting to do a grid search to optimize my model but it's taking far too long to execute. My total dataset is only about 15,000 observations with about 30-40 variables. I was successfully able to run a random forest through the gridsearch which took about ... | https://stackoverflow.com/questions/72101295/python-gridsearchcv-taking-too-long-to-finish-running | python, machine-learning, scikit-learn, data-science, cross-validation | 1,651,589,480 |
se_79003095 | stackoverflow | DATA_SCIENCE | Input file specified two times | Input file specified two times
I am using shell in Jupyter with Python programming Language. When I use to prepare a dataset, I fail to complete it on sorting by column and case sensitive.
The line is like this:
!head -n 5 $filename | sort -f -t' ' -k2
I have tried so many things to solve it, but my bad. I can not ge... | https://stackoverflow.com/questions/79003095/input-file-specified-two-times | python, shell, jupyter-notebook, data-science, data-preprocessing | 1,726,756,709 |
se_73278939 | stackoverflow | DATA_SCIENCE | How to run and edit Jupyter Notebook Code in PyCharm Community Edition | How to run and edit Jupyter Notebook Code in PyCharm Community Edition
How can we run Jupiter Notebook in PyCharm Community Edition? It says" Once a notebook is opened, you can view all of its cells with both input and outputs. Editing and cell execution are not allowed. | https://stackoverflow.com/questions/73278939/how-to-run-and-edit-jupyter-notebook-code-in-pycharm-community-edition | python, jupyter-notebook, pycharm, data-science | 1,659,966,464 |
se_74419049 | stackoverflow | DATA_SCIENCE | How to split the contents of a column into multiple columns inside a polars dataframe | How to split the contents of a column into multiple columns inside a polars dataframe
If I have string column namely, 'Cabin' in my dataframe, containing values as shown below:
train = pl.from_repr("""
┌───────┐
│ Cabin │
│ --- │
│ str │
╞═══════╡
│ B/0/P │
│ F/0/S │
│ A/0/S │
│ A/0/S │
│ F/1/S │
└───────┘
""")
I... | https://stackoverflow.com/questions/74419049/how-to-split-the-contents-of-a-column-into-multiple-columns-inside-a-polars-data | python, dataframe, data-science, python-polars, data-preprocessing | 1,668,322,481 |
se_75381589 | stackoverflow | DATA_SCIENCE | how to imitate Pandas' index-based querying in Polars? | how to imitate Pandas' index-based querying in Polars?
Any idea what I can do to imitate the below pandas code using polars? Polars doesn't have indexes like pandas so I couldn't figure out what I can do .
df = pd.DataFrame(data = ([21,123], [132,412], [23, 43]), columns = ['c1', 'c2']).set_index("c1")
out = df.l... | https://stackoverflow.com/questions/75381589/how-to-imitate-pandas-index-based-querying-in-polars | python, data-science, python-polars, querying | 1,675,833,160 |
se_74831491 | stackoverflow | DATA_SCIENCE | Multiple polars DataFrames with same shape: update one will non-null values of the other | Multiple polars DataFrames with same shape: update one will non-null values of the other
I have a 100x100 DataFrame (representing a Gaussian KDE) that represents a small sample of data so there are many holes. I have another 100x100 df that represents a larger sample of data with no holes. I would like to combine thes... | https://stackoverflow.com/questions/74831491/multiple-polars-dataframes-with-same-shape-update-one-will-non-null-values-of-t | python, dataframe, data-science, python-polars | 1,671,245,715 |
se_78985850 | stackoverflow | DATA_SCIENCE | How can I shift a column in a dataframe x times into an array, apply a function, and create a new column? | How can I shift a column in a dataframe x times into an array, apply a function, and create a new column?
I am having a hard time understanding how I can better improve this code:
from datetime import datetime
import math
import pandas as pd
import numpy as np
def trending(row, label, amt, prepend = False, postpend ... | https://stackoverflow.com/questions/78985850/how-can-i-shift-a-column-in-a-dataframe-x-times-into-an-array-apply-a-function | python, pandas, dataframe, performance, data-science | 1,726,337,629 |
se_70632395 | stackoverflow | DATA_SCIENCE | Note: you may need to restart the kernel to use updated packages. jupyter | Note: you may need to restart the kernel to use updated packages. jupyter
I was working with Jupiter notebook but I entered a difficulty. Could you help me?
I have to use from scipy.special import j. Even though I installed scipy lib, It could not run properly. After I searched, I used%pip install scipy --upgrade.
Th... | https://stackoverflow.com/questions/70632395/note-you-may-need-to-restart-the-kernel-to-use-updated-packages-jupyter | python, jupyter-notebook, data-science | 1,641,645,716 |
se_73516000 | stackoverflow | DATA_SCIENCE | Is there a way to cumulatively and distinctively expand list in polars | Is there a way to cumulatively and distinctively expand list in polars
For distance, I want to accomplish conversion like below.
df = pl.DataFrame({
"col": [["a"], ["a", "b"], ["c"]]
})
┌────────────┐
│ col │
│ --- │
│ list[str] │
╞════════════╡
│ ["a"] │
│ ["a", "b"] │
│ ["c"] │
└─────... | https://stackoverflow.com/questions/73516000/is-there-a-way-to-cumulatively-and-distinctively-expand-list-in-polars | python, dataframe, data-science, python-polars | 1,661,660,874 |
se_78931722 | stackoverflow | DATA_SCIENCE | Count and groupby a specfic value | Count and groupby a specfic value
I have a dataframe where i want to count a specific value that occurs in a row.
This code below gives the right answer and now i want to add a new coluumn to my dataframe
occur = df.groupby(['Code_5elaag','Essentieel_Optioneel']).size()
occur
**Code_5elaag Essentieel_Optioneel**
110... | https://stackoverflow.com/questions/78931722/count-and-groupby-a-specfic-value | python, pandas, dataframe, group-by, data-science | 1,725,016,758 |
se_78919810 | stackoverflow | DATA_SCIENCE | Confusion Matrix in SQL | Confusion Matrix in SQL
I have some rules which gets fired if a criteria for a process gets fulfilled. I am calculating the performance of those rules in a confusion matrix form.
If the rule was fired, it means the process was predicted positive. So if the process was actually positive that'll be a True Positive scena... | https://stackoverflow.com/questions/78919810/confusion-matrix-in-sql | sql, postgresql, data-science, confusion-matrix | 1,724,774,486 |
se_78914899 | stackoverflow | DATA_SCIENCE | the data augmentation doesn't work properly | the data augmentation doesn't work properly
according to me, the given code should create 5700 images, which is 10 times the number of original images, instead, when I check the shape of it, it only gives 1140, which is twice the number of images. What am I missing in this code?
# Custom augmentation functions
def... | https://stackoverflow.com/questions/78914899/the-data-augmentation-doesnt-work-properly | python, deep-learning, data-science, data-augmentation, image-augmentation | 1,724,681,658 |
se_78872379 | stackoverflow | DATA_SCIENCE | How to deal with multiple dictionary entries that have identical keys but different values (json returned from API) | How to deal with multiple dictionary entries that have identical keys but different values (json returned from API)
So the problem is the following I made a station on the Banco do Brasil website using the hidden Api that returned me values from 414 cities However It happened crazy that for each who made the applicati... | https://stackoverflow.com/questions/78872379/how-to-deal-with-multiple-dictionary-entries-that-have-identical-keys-but-differ | python, json, data-science | 1,723,658,641 |
se_78879312 | stackoverflow | DATA_SCIENCE | Nifty50 data science project in python Error occuring KeyError: 'Date' | Nifty50 data science project in python Error occuring KeyError: 'Date'
I am working on Nifty50 dataset as my Data science project but this error occurs when I'm trying to implement datetime. Please help me?
This is my code to change Date which is an object into datetime:
nfty50_data['Date'] = pd.to_datetime(ni... | https://stackoverflow.com/questions/78879312/nifty50-data-science-project-in-python-error-occuring-keyerror-date | python, database, deep-learning, data-science, project | 1,723,814,133 |
se_78882452 | stackoverflow | DATA_SCIENCE | Assertion Error: 4 columns passed, passed data had 3 columns. Python/ipynb | Assertion Error: 4 columns passed, passed data had 3 columns. Python/ipynb
I am trying to convert a pro-football-reference stats table into a csv file that shows defensive stats vs rushing. In my program I was able to get 10 columns of data for my runningback stats, however when I implement the same code to defense st... | https://stackoverflow.com/questions/78882452/assertion-error-4-columns-passed-passed-data-had-3-columns-python-ipynb | python, error-handling, html-table, data-science | 1,723,904,515 |
se_76844229 | stackoverflow | DATA_SCIENCE | I'm getting an import error with ydata-profiling-4.4.0: `BaseSettings` has been moved to the `pydantic-settings` package | I'm getting an import error with ydata-profiling-4.4.0: `BaseSettings` has been moved to the `pydantic-settings` package
I know that Pydantic V2 introduced new things which make it incompatible with V1, so I switched from pandas_profiling to ydata_profiling. Because of that, I had to switch versions of the depende... | https://stackoverflow.com/questions/76844229/im-getting-an-import-error-with-ydata-profiling-4-4-0-basesettings-has-been | python, pandas, machine-learning, data-science | 1,691,289,156 |
se_70757202 | stackoverflow | DATA_SCIENCE | Shape Mismatch XGBoost Regressor | Shape Mismatch XGBoost Regressor
I have trained an XGBoost Regressor model on data that has a different shape to the test data I intend to predict on. Is there a way to go around this or a model that can tolerate feature mismatches?
The input training data and test data got mismatched during One Hot Encoding of catego... | https://stackoverflow.com/questions/70757202/shape-mismatch-xgboost-regressor | python, data-science, xgboost | 1,642,515,997 |
se_78897674 | stackoverflow | DATA_SCIENCE | Adapting this formula to Python Polars, stuck on Euluers Number and Exponent | Adapting this formula to Python Polars, stuck on Euluers Number and Exponent
I have the following formula
Citation: https://www.chess-journal.com/evaluatingSharpness1.html
In terms of my data frame:
w = "win"
d = "draw"
l = "loss"
and e is our buddy Euler's number.
What would be a tidy way of representing that final... | https://stackoverflow.com/questions/78897674/adapting-this-formula-to-python-polars-stuck-on-euluers-number-and-exponent | python, data-science, python-polars | 1,724,252,446 |
se_78893764 | stackoverflow | DATA_SCIENCE | Wierd chart layout with pandas/matplotlib line chart | Wierd chart layout with pandas/matplotlib line chart
I am new to Data Science and Python/NumPy/Pandas world in general. I have a dataset which is an order/order line item/product dataset. I am trying to plot a basic line chart with pandas:
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
pd.se... | https://stackoverflow.com/questions/78893764/wierd-chart-layout-with-pandas-matplotlib-line-chart | python, pandas, matplotlib, data-science | 1,724,175,453 |
se_64629702 | stackoverflow | DATA_SCIENCE | Pytorch transform.ToTensor() changes image | Pytorch transform.ToTensor() changes image
I want to convert images to tensor using torchvision.transforms.ToTensor(). After processing, I printed the image but the image was not right. Here is my code:
trans = transforms.Compose([
transforms.ToTensor()])
demo = Image.open(img)
demo_img = trans(demo)
demo_array ... | https://stackoverflow.com/questions/64629702/pytorch-transform-totensor-changes-image | python, pytorch, python-imaging-library, data-science | 1,604,216,759 |
se_78750613 | stackoverflow | DATA_SCIENCE | TaskRun failed to finish due to an error for Coretex BioInformatics workflow | TaskRun failed to finish due to an error for Coretex BioInformatics workflow
After starting bioinformatics workflow in Coretex, I am getting the following message even though data seems to be in order:
"Failed to determine which column contains sampleIDs/names..." and then the list of available names, but I am using o... | https://stackoverflow.com/questions/78750613/taskrun-failed-to-finish-due-to-an-error-for-coretex-bioinformatics-workflow | r, data-science, bioinformatics, mlops | 1,721,056,229 |
se_78858321 | stackoverflow | DATA_SCIENCE | Getting ValueError: All arrays must be of the same length | Getting ValueError: All arrays must be of the same length
I have been trying to convert a dictionary into a dataframe but everytime i keep getting ValueError: All arrays must be of the same length. i Have checkde the length of each array and confirmed them to be the same but i am still getting the same error
def metri... | https://stackoverflow.com/questions/78858321/getting-valueerror-all-arrays-must-be-of-the-same-length | python, python-3.x, machine-learning, regression, data-science | 1,723,379,260 |
se_78882225 | stackoverflow | DATA_SCIENCE | Plotting a 4D graph where X,Y,Z are independent and the fourth dimension is a heatmap that interpolates between points | Plotting a 4D graph where X,Y,Z are independent and the fourth dimension is a heatmap that interpolates between points
I have been trying to plot a 4d heat map, where my X,Y,Z components are coordinates and thus independent of one another. I then want to map a fourth component onto each coordinate, and represent its r... | https://stackoverflow.com/questions/78882225/plotting-a-4d-graph-where-x-y-z-are-independent-and-the-fourth-dimension-is-a-he | python, matplotlib, data-science, interpolation, heatmap | 1,723,897,937 |
se_78869326 | stackoverflow | DATA_SCIENCE | Why is it that calling standard sum on a numpy array produces a different result than numpy.sum? | Why is it that calling standard sum on a numpy array produces a different result than numpy.sum?
Observe in the following code, creating an numpy array and calling the builtin python sum function produces different results than numpy.sum
How is numpy's sum function implemented? And why is the result different?
test = ... | https://stackoverflow.com/questions/78869326/why-is-it-that-calling-standard-sum-on-a-numpy-array-produces-a-different-result | python, numpy, data-science | 1,723,614,928 |
se_78868809 | stackoverflow | DATA_SCIENCE | R: monte carlo binomial gambling simulation | R: monte carlo binomial gambling simulation
I am trying to figure out how to simulate a biased gambling problem using monte carlo simulations.
The problem is:
Simulate two players tossing a coin; A and B.
Player A has a 0.55 chance to win. Player B has a 0.45 chance.
Each player starts with $3.
If one player wins they... | https://stackoverflow.com/questions/78868809/r-monte-carlo-binomial-gambling-simulation | r, statistics, data-science, montecarlo | 1,723,599,174 |
se_74824266 | stackoverflow | DATA_SCIENCE | summary function from torchsummary printing its output twice | summary function from torchsummary printing its output twice
So I have been trying to implement a CNN-based solution for classification as proposed in this paper (https://arxiv.org/pdf/1810.08923.pdf). Here is my code for reproduction. It's a fairly simple implementation but I don't understand why would the torchsumma... | https://stackoverflow.com/questions/74824266/summary-function-from-torchsummary-printing-its-output-twice | python, pytorch, data-science | 1,671,192,541 |
se_78854478 | stackoverflow | DATA_SCIENCE | How can I replace null values in polars with a prefix with ascending numbers? | How can I replace null values in polars with a prefix with ascending numbers?
I am trying to replace null values in my dataframe column by a prefix and ascending numbers(to make each unique).ie
df = pl.from_repr("""
┌──────────────┬──────────────┐
│ name ┆ asset_number │
│ --- ┆ --- │
│ str ... | https://stackoverflow.com/questions/78854478/how-can-i-replace-null-values-in-polars-with-a-prefix-with-ascending-numbers | python, dataframe, data-science, data-cleaning, python-polars | 1,723,234,304 |
se_59153513 | stackoverflow | DATA_SCIENCE | Jupyter notebook error ModuleNotFoundError: No module named 'datascience' | Jupyter notebook error ModuleNotFoundError: No module named 'datascience'
Good evening,
I am trying to import datascience module at my Jupyter notebook, but the notebook keeps showing error called
---------------------------------------------------------------------------
ModuleNotFoundError ... | https://stackoverflow.com/questions/59153513/jupyter-notebook-error-modulenotfounderror-no-module-named-datascience | python, module, jupyter-notebook, data-science | 1,575,363,992 |
se_63851489 | stackoverflow | DATA_SCIENCE | How to access a part of an element from a list? | How to access a part of an element from a list?
import cv2
import os
import glob
import pandas as pd
from pylibdmtx import pylibdmtx
import xlsxwriter
# co de for scanning
img_dir = "C:\\images" # Enter Directory of all images
data_path = os.path.join(img_dir,'*g')
files = glob.glob(data_path)
data = []
result=[]
... | https://stackoverflow.com/questions/63851489/how-to-access-a-part-of-an-element-from-a-list | python, excel, list, data-science | 1,599,844,186 |
se_73737340 | stackoverflow | DATA_SCIENCE | I am performing web scraping on influenster.com but I am not able to scrape the star rating | I am performing web scraping on influenster.com but I am not able to scrape the star rating
The link I am using is https://www.influenster.com/reviews/loreal-paris-elvive-extraordinary-oil-deep-nourishing-shampoo-and-conditioner-set-126-fl-oz. Please guide me on how I can get the stars as there is no aria label or num... | https://stackoverflow.com/questions/73737340/i-am-performing-web-scraping-on-influenster-com-but-i-am-not-able-to-scrape-the | python, selenium-webdriver, web-scraping, data-science | 1,663,275,335 |
se_61752284 | stackoverflow | DATA_SCIENCE | Understanding sklearn's KNNImputer | Understanding sklearn's KNNImputer
I was going through its documentation and it says
Each sample’s missing values are imputed using the mean value from
n_neighbors nearest neighbors found in the training set. Two samples
are close if the features that neither are missing are close.
Now, playing around with a toy... | https://stackoverflow.com/questions/61752284/understanding-sklearns-knnimputer | python, machine-learning, scikit-learn, data-science, imputation | 1,589,288,089 |
se_71955753 | stackoverflow | DATA_SCIENCE | Sklearn Pipelines + GridsearchCV + XGBoost + Learning Curve | Sklearn Pipelines + GridsearchCV + XGBoost + Learning Curve
I am new to sklearn & XGBoost.
I would like to use GridSearchCV to tune a XGBoost classifier. One of the checks that I would like to do is the graphical analysis of the loss from train and test. So far I have created the following code:
# Create a new instanc... | https://stackoverflow.com/questions/71955753/sklearn-pipelines-gridsearchcv-xgboost-learning-curve | python, scikit-learn, data-science, xgboost, imbalanced-data | 1,650,549,470 |
se_67121246 | stackoverflow | DATA_SCIENCE | Pandas: Get Business Month-End Dates Correctly Even for Dates Already on Month-End | Pandas: Get Business Month-End Dates Correctly Even for Dates Already on Month-End
let's say i have and dataframe as below
date,ent_id,val
2021-03-23,101,61
2021-03-12,103,64
2021-03-15,101,32
2021-04-01,103,39
2021-04-02,101,71
2021-04-02,103,79
2021-04-30,101,51
2021-04-30,103,53
2021-05-31,101,28
2021-05-31,103,26
... | https://stackoverflow.com/questions/67121246/pandas-get-business-month-end-dates-correctly-even-for-dates-already-on-month-e | python, pandas, numpy, data-science | 1,618,559,677 |
se_59152894 | stackoverflow | DATA_SCIENCE | Py4JJavaError: An error occurred while calling z:org.apache.spark.api.python.PythonRDD.runJob. ModuleNotFoundError: No module named 'numpy' | Py4JJavaError: An error occurred while calling z:org.apache.spark.api.python.PythonRDD.runJob. ModuleNotFoundError: No module named 'numpy'
Can somebody help with this issue? It shows no module named 'numpy', but I have already installed and imported it in the notebook.
Py4JJavaError: An error occurred while ... | https://stackoverflow.com/questions/59152894/py4jjavaerror-an-error-occurred-while-calling-zorg-apache-spark-api-python-pyt | python, machine-learning, pyspark, jupyter-notebook, data-science | 1,575,361,731 |
se_67119961 | stackoverflow | DATA_SCIENCE | Load External Stylesheets with JupyterDash in Google Colab | Load External Stylesheets with JupyterDash in Google Colab
I am trying build a basic dash application using google colab and JupyterDash, but for some reason I can't seem to reference external stylesheets using JupyterDash. I have tried following a similar syntax to dash when calling the external stylesheet, but it re... | https://stackoverflow.com/questions/67119961/load-external-stylesheets-with-jupyterdash-in-google-colab | python, data-science, data-visualization, google-colaboratory, plotly-dash | 1,618,553,556 |
se_73969723 | stackoverflow | DATA_SCIENCE | Read data from OPC HDA server with Python? | Read data from OPC HDA server with Python?
I am aware that OPC HDA is an outdated protocol and shouldn't be used if there is any more modern protocol available. Sadly, in this industrial context, it seems there is no real alternative.
I tried to find Python libraries with OPC HDA support without success. So I'm asking... | https://stackoverflow.com/questions/73969723/read-data-from-opc-hda-server-with-python | python, data-science, implementation, opc | 1,665,039,526 |
se_78774766 | stackoverflow | DATA_SCIENCE | How to use SDMX to get M2 money data from ECB? | How to use SDMX to get M2 money data from ECB?
I need to fetch data from following 2 links for my analysis :
https://data.ecb.europa.eu/data/datasets/BSI/BSI.M.U2.Y.V.M20.X.1.U2.2300.Z01.E
https://data.ecb.europa.eu/data/datasets/RTD/RTD.M.JP.Y.M_M2.J
I have never worked with SDMX library before and I am having trou... | https://stackoverflow.com/questions/78774766/how-to-use-sdmx-to-get-m2-money-data-from-ecb | dataframe, data-science, sdmx | 1,721,552,555 |
se_78774659 | stackoverflow | DATA_SCIENCE | In jupyter notebok title of graph not showing.Why no title is there in the graph? | In jupyter notebok title of graph not showing.Why no title is there in the graph?
this is set of codes i ran
here is the graph,see everything is fine
this is the 2nd set of codes i ran, in the imaage u can see there is no title
i was trying to plot a count graph,i wrote the code for title that is plt.title('top 15 cit... | https://stackoverflow.com/questions/78774659/in-jupyter-notebok-title-of-graph-not-showing-why-no-title-is-there-in-the-graph | python, jupyter-notebook, seaborn, data-science, countplot | 1,721,548,998 |
se_78757629 | stackoverflow | DATA_SCIENCE | Trying to scavanage data using Selenium but save button isn't working | Trying to scavanage data using Selenium but save button isn't working
I am trying to save the booth addresses using Selenium for machine learning algorithms, but the save button is not getting clicked:
I tried all types of selectors, different methods, JavaScript, and everything else, but it still doesn't work.
H... | https://stackoverflow.com/questions/78757629/trying-to-scavanage-data-using-selenium-but-save-button-isnt-working | selenium-webdriver, data-science, selenium-ide, data-science-experience | 1,721,190,348 |
se_68862621 | stackoverflow | DATA_SCIENCE | Getting Error 524 while running jupyter lab in google cloud platform | Getting Error 524 while running jupyter lab in google cloud platform
I am not able to access jupyter lab created on google cloud
I created one notebook using Google AI platform. I was able to start it and work but suddenly it stopped and I am not able to start it now. I tried building and restarting the jupyterlab, b... | https://stackoverflow.com/questions/68862621/getting-error-524-while-running-jupyter-lab-in-google-cloud-platform | machine-learning, google-cloud-platform, jupyter-notebook, data-science, jupyter-lab | 1,629,464,277 |
se_78763624 | stackoverflow | DATA_SCIENCE | Stuck in handling incorrect input data on web app for model training | Stuck in handling incorrect input data on web app for model training
I am trying to add an exception feature in an ML project I am working on, I create a web app which accepts student performance data as a CSV file and then performs different machine learning algorithms and selects and saves the model with the best R2... | https://stackoverflow.com/questions/78763624/stuck-in-handling-incorrect-input-data-on-web-app-for-model-training | python, machine-learning, flask, exception, data-science | 1,721,296,096 |
se_52590331 | stackoverflow | DATA_SCIENCE | Import data tables in Python | Import data tables in Python
I am new to Python, coming from MATLAB. In MATLAB, I used to create a variable table (copy from excel to MATLAB) in MATLAB and save it as a .mat file and whenever I needed the data from the MATLAB, I used to import it using:
A = importdata('Filename.mat');
[Filename is 38x5 table, see ... | https://stackoverflow.com/questions/52590331/import-data-tables-in-python | python, matlab, data-science | 1,538,394,106 |
se_60462577 | stackoverflow | DATA_SCIENCE | What uml diagrams can be used for a data science project | What uml diagrams can be used for a data science project
I am working on a data science project for my 3-2 mini project. My project analyzes the performance of a country in the Olympics based on some attributes. But I am confused about the UML diagrams I should be using in my project. | https://stackoverflow.com/questions/60462577/what-uml-diagrams-can-be-used-for-a-data-science-project | uml, data-science | 1,582,957,642 |
se_71209468 | stackoverflow | DATA_SCIENCE | solve Ax=b for outrigger A matrix python | solve Ax=b for outrigger A matrix python
I implement Crank-Nicolson 2D finite-difference method.
I get a matrix A which is banded with 1 band above and below the main diagonal, but also contains 2 additional bands , further apart from the main diagonal, so it is NOT penta-diagonal.
A picture showing the structure is b... | https://stackoverflow.com/questions/71209468/solve-ax-b-for-outrigger-a-matrix-python | python, arrays, data-structures, data-science, linear-algebra | 1,645,459,502 |
se_73067795 | stackoverflow | DATA_SCIENCE | Power BI: a visualization to dynamically show a network interaction | Power BI: a visualization to dynamically show a network interaction
Network visual with dynamic selection
Is anyone aware of a network association visual with dynamic selection formatting? Essentially, something like network navigator (or zoom charts drill down graph pro) but with the ability to select nodes and have ... | https://stackoverflow.com/questions/73067795/power-bi-a-visualization-to-dynamically-show-a-network-interaction | graph, powerbi, data-science, data-visualization | 1,658,412,852 |
se_78719884 | stackoverflow | DATA_SCIENCE | Issue with H3: Uber’s Hexagonal Hierarchical Spatial Index | Issue with H3: Uber’s Hexagonal Hierarchical Spatial Index
Currently, I am using the Uber H3 index library for my geospatial analysis. The version of the library is h3-3.7.7. If the version changes tomorrow, the corresponding H3 index for the given latitude and longitude might also change, affecting my entire dataset.... | https://stackoverflow.com/questions/78719884/issue-with-h3-uber-s-hexagonal-hierarchical-spatial-index | database, data-science, geospatial, uber-api, h3 | 1,720,428,286 |
se_78731369 | stackoverflow | DATA_SCIENCE | How to optimise hyperparameterss for RandomForestClassifier in Python for large datasets? | How to optimise hyperparameterss for RandomForestClassifier in Python for large datasets?
I'm just working on this problem where I thought RandomForestClassifier from scikit-learn would be better solution for a large dataset. Only after trying with it for this, I found it to be not accurate. The model is either overfi... | https://stackoverflow.com/questions/78731369/how-to-optimise-hyperparameterss-for-randomforestclassifier-in-python-for-large | scikit-learn, dataset, data-science, random-forest | 1,720,624,011 |
se_41256626 | stackoverflow | DATA_SCIENCE | Pandas : TypeError: float() argument must be a string or a number | Pandas : TypeError: float() argument must be a string or a number
I have a dataframe that contains
user_id date browser conversion test sex age country
1 2015-12-03 IE 1 0 M 32.0 US
Here is my code:
from sklearn import tree
data['date'] = pd.to_datetime(data.date)
colum... | https://stackoverflow.com/questions/41256626/pandas-typeerror-float-argument-must-be-a-string-or-a-number | python, pandas, datetime, type-conversion, data-science | 1,482,302,477 |
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