id stringlengths 7 11 | source stringclasses 1
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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 |
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se_76474969 | stackoverflow | DATA_SCIENCE | Why does the KS-Test give a p-value of 1 if the distribution is different | Why does the KS-Test give a p-value of 1 if the distribution is different
Let's take two sets:
a = [5,5,5,5,5,4,4,4,4,3,3,3,2,2,1]
b = [5,4,3,2,1]
We perform the KS-Test using Python:
from scipy import stats
stats.ks_2samp(b,a)
KstestResult(statistic=0.2, pvalue=0.9979360165118678, statistic_location=2, statistic_sig... | https://stackoverflow.com/questions/76474969/why-does-the-ks-test-give-a-p-value-of-1-if-the-distribution-is-different | python, statistics, data-science, kolmogorov-smirnov | 1,686,754,962 |
se_72206460 | stackoverflow | DATA_SCIENCE | Python/Matplotlib plot vertical line for specific dates in line chart | Python/Matplotlib plot vertical line for specific dates in line chart
I used pandas to read a CSV file of the stock data of Tesla and plotted a line chart of the price in 2021. Also, I have dates = [] with a collection of dates, which I want to plot in the same line chart with vertical lines.
My code:
import pandas a... | https://stackoverflow.com/questions/72206460/python-matplotlib-plot-vertical-line-for-specific-dates-in-line-chart | python, pandas, matplotlib, data-science | 1,652,296,510 |
se_76474620 | stackoverflow | DATA_SCIENCE | How can I get history subscriber count in Youtube? E.g. How to see what is the subscriber count at the end of 2022 vs 2023 | How can I get history subscriber count in Youtube? E.g. How to see what is the subscriber count at the end of 2022 vs 2023
Apologies, if my question is unclear as I am new to this space.
I am trying to do a data analysis project for my portfolio about youtube channel.
I would like to compare the youtube channel growth... | https://stackoverflow.com/questions/76474620/how-can-i-get-history-subscriber-count-in-youtube-e-g-how-to-see-what-is-the-s | google-api, youtube-api, data-science, data-analysis, youtube-data-api | 1,686,752,701 |
se_76473828 | stackoverflow | DATA_SCIENCE | ModuleNotFoundError: No module named 'tapas.utils' | ModuleNotFoundError: No module named 'tapas.utils'
I am getting the above error while trying to import these method. I am using Collab.
from tapas.utils import tf_example_utils
from tapas.protos import interaction_pb2
from tapas.utils import number_annotation_utils
from tapas.scripts import prediction_utils
I ... | https://stackoverflow.com/questions/76473828/modulenotfounderror-no-module-named-tapas-utils | machine-learning, data-science, artificial-intelligence | 1,686,747,318 |
se_76394823 | stackoverflow | DATA_SCIENCE | ModuleNotFoundError: No module named 'sklearn.ensemble._bagging' | ModuleNotFoundError: No module named 'sklearn.ensemble._bagging'
ModuleNotFoundError: No module named 'sklearn.ensemble._bagging'
Which version is suitable of scikit learn for the above error?
I am facing this issue when I am using the python 3.7 version. And I can't update the version. | https://stackoverflow.com/questions/76394823/modulenotfounderror-no-module-named-sklearn-ensemble-bagging | github, data-science, python-3.7, data-science-experience, github-issues | 1,685,773,844 |
se_76467917 | stackoverflow | DATA_SCIENCE | Webscraping images from google images | Webscraping images from google images
I have recently been trying to scrape images of a specific type from Google through beautiful soup, but most of the markup seems hidden or not displayed when fetching the data from the URL. But when I inspect the URL I am able to see everything. Is there anything Google is doing t... | https://stackoverflow.com/questions/76467917/webscraping-images-from-google-images | python, web-scraping, beautifulsoup, data-science | 1,686,682,238 |
se_76461002 | stackoverflow | DATA_SCIENCE | How do I convert a Vec <&str> to Vec <String>? | How do I convert a Vec <&str> to Vec <String>?
let parts: Vec<String> = line.split_whitespace().collect();
let parts: Vec<String> = map(AsRef::as_ref).line.split_whitespace().collect();
if parts.len() >= 3 {
let attribute_name = parts[1].to_string();
let attribute_type = parts[2].to_lowercase()... | https://stackoverflow.com/questions/76461002/how-do-i-convert-a-vec-str-to-vec-string | rust, data-science, arff | 1,686,615,713 |
se_76197079 | stackoverflow | DATA_SCIENCE | Unable to Run Simple Fine-Tuning of GPT-J Model | Unable to Run Simple Fine-Tuning of GPT-J Model
I have been trying to learn to fine tune Large Language Models (LLM), specifically GPT-J from HuggingFace. I have been struggling to make even simple examples work on custom datasets. I wanted to train the model to produce google reviews, and was hoping to train it on ... | https://stackoverflow.com/questions/76197079/unable-to-run-simple-fine-tuning-of-gpt-j-model | python, data-science, artificial-intelligence, huggingface-transformers, transformer-model | 1,683,511,207 |
se_76303952 | stackoverflow | DATA_SCIENCE | Mysterious "Segmentation fault" error when running a Fortran program | Mysterious "Segmentation fault" error when running a Fortran program
P.P.P.P.S
Finally, I have found out the reason of the problem.
Errors occurs on the variable vbuf, which is a Pointer type and its shape was defined previously. The shape of vbuf supposed to be (\nland,tidx2-tidx1+1\) but it was uncorrectly... | https://stackoverflow.com/questions/76303952/mysterious-segmentation-fault-error-when-running-a-fortran-program | fortran, data-science, hdf5, netcdf4 | 1,684,741,181 |
se_76451829 | stackoverflow | DATA_SCIENCE | Feature Engineering in Python | Feature Engineering in Python
How do I know when to apply LabelEncoder() or OneHotEncoder()?
I have used LabelEncoder to encode categorical variable for RandomForestRegressor model and it gives a extremely high mean squared error. I have tried hyperparameter tuning with GridSearchCV and it still gives the same value | https://stackoverflow.com/questions/76451829/feature-engineering-in-python | python, data-science, one-hot-encoding, feature-engineering, label-encoding | 1,686,506,590 |
se_76449810 | stackoverflow | DATA_SCIENCE | How to iterate through a website that shows no index in the URL | How to iterate through a website that shows no index in the URL
I'm trying to get data from "https://chainplay.gg/" but I'm stuck and I can't get data other than that on page one.
This is the code I wrote and it returns the .csv I'm looking for but, without getting me the other 44 pages of data I can't do much with it... | https://stackoverflow.com/questions/76449810/how-to-iterate-through-a-website-that-shows-no-index-in-the-url | python, dataframe, web-scraping, data-science | 1,686,475,478 |
se_76444291 | stackoverflow | DATA_SCIENCE | How to convert a complex datasheet into a usabale dataframe? | How to convert a complex datasheet into a usabale dataframe?
So I have the following google sheet link:
https://docs.google.com/spreadsheets/d/1GAH6Cb8JuloDAiTIGnEr9GtPPyHWXMpOLV6nHNSgcoM/edit#gid=1324085625
This sheet is a school timetable and what I have to do is read some fitered data like for example name of the t... | https://stackoverflow.com/questions/76444291/how-to-convert-a-complex-datasheet-into-a-usabale-dataframe | python, dataframe, data-science | 1,686,357,738 |
se_76436143 | stackoverflow | DATA_SCIENCE | Transform Data Set Using Pandas | Transform Data Set Using Pandas
I'm trying to transform how my data looks. I am trying to transform it from this:
Feature 1
Feature 2
Feature 3
Feature 4
Target
10.2
0.5
2.1
7.8
15.3
11.5
0.7
1.8
7.0
16.2
9.8
0.6
2.2
8.5
14.5
...
...
...
...
...
12.3
0.9
1.4
6.2
17.6
11.7
0.8
1.7
6.5
16.8
10.9
0.7
... | https://stackoverflow.com/questions/76436143/transform-data-set-using-pandas | pandas, numpy, scikit-learn, data-science | 1,686,264,141 |
se_57854124 | stackoverflow | DATA_SCIENCE | str_extract_all returns a list but I want a column in a dataframe | str_extract_all returns a list but I want a column in a dataframe
I'd like to use str_extract_all from the stringr package to extract digits from strings, and I'd like the output as numerics in a column of an existing dataframe. The problem is that the str_extract_all output's a list.
UPDATE: My overall goal is to u... | https://stackoverflow.com/questions/57854124/str-extract-all-returns-a-list-but-i-want-a-column-in-a-dataframe | r, list, dataframe, data-science, stringr | 1,568,032,255 |
se_76431885 | stackoverflow | DATA_SCIENCE | Comparing data to a mapping file in R | Comparing data to a mapping file in R
I am quite new in R and need help at a project for work.
My company is switching from single role assignment to multi-role assigment in our system.
The mapping file for two roles could look like this:
old role
new role
teacher
literature expert
teacher
caretaker
teache... | https://stackoverflow.com/questions/76431885/comparing-data-to-a-mapping-file-in-r | r, compare, mapping, data-science | 1,686,227,474 |
se_56697278 | stackoverflow | DATA_SCIENCE | How can I use Correlation Coefficient to calculate change in variables | How can I use Correlation Coefficient to calculate change in variables
I calculated a correlation of two dependent variables (size of plot/house vs cost), the correlation stands at 0.87. I want to use this index to measure the increase or decrease in cost if size is increased or decreased. Is it possible using correla... | https://stackoverflow.com/questions/56697278/how-can-i-use-correlation-coefficient-to-calculate-change-in-variables | statistics, data-science, correlation, pearson-correlation | 1,561,094,454 |
se_76418309 | stackoverflow | DATA_SCIENCE | Getting a ModuleNotFoundError with librosa | Getting a ModuleNotFoundError with librosa
I am trying to load the audio files into the NumPy array using this code
#%%
import librosa
import matplotlib.pyplot as plt
import IPython.display as ipd
import os, os.path
import time
import joblib
import numpy as np
#%%
fname = 'archive\\Actor_01\\03-01-01-01-01-01-01.wav'... | https://stackoverflow.com/questions/76418309/getting-a-modulenotfounderror-with-librosa | python, python-3.x, data-science, librosa, modulenotfounderror | 1,686,084,143 |
se_76397456 | stackoverflow | DATA_SCIENCE | Why does the algorithm sometimes not behave as intended? | Why does the algorithm sometimes not behave as intended?
we are currently working on a college project. We have been tasked to optimize the maintenance schedule for repairs on bikes from a bike sharing service. The bikes can only be rented from and returned to bike docking stations. We need to calculate the idle time,... | https://stackoverflow.com/questions/76397456/why-does-the-algorithm-sometimes-not-behave-as-intended | python, pandas, dataframe, algorithm, data-science | 1,685,816,773 |
se_76426328 | stackoverflow | DATA_SCIENCE | When using scikit-learn K-Means Clustering, how can you extract the centroids in original data domain? | When using scikit-learn K-Means Clustering, how can you extract the centroids in original data domain?
I am using the sklearn KMeans k-means clustering algorithm. Before clustering, I normalize my data from [0,1] using
scaler = MinMaxScaler()
scaled_features = scaler.fit_transform(data)
Now, I can run the K-means alg... | https://stackoverflow.com/questions/76426328/when-using-scikit-learn-k-means-clustering-how-can-you-extract-the-centroids-in | python, data-science, cluster-analysis, k-means | 1,686,164,453 |
se_76425016 | stackoverflow | DATA_SCIENCE | Anaconda new environment error: Paths don't have the same drive | Anaconda new environment error: Paths don't have the same drive
I want to create a new environment in Anaconda, but I get an error:
ValueError("Paths don't have the same drive")
file "Q:\CI_Anlisten\Users\lkh004\Conda\lib\ntpath.py, line 804 in commonpath raise ValueError("Paths don't have the same drive) | https://stackoverflow.com/questions/76425016/anaconda-new-environment-error-paths-dont-have-the-same-drive | anaconda, data-science | 1,686,152,537 |
se_76423496 | stackoverflow | DATA_SCIENCE | Sum of column that resets to zero through out a process | Sum of column that resets to zero through out a process
Is there an easy way to go about a total for a column that increments but can reset back to zero through out the dataset? I have started to go down the path of a for loop and keeping track of previous value if it isn't a zero and using multiple variables, but wan... | https://stackoverflow.com/questions/76423496/sum-of-column-that-resets-to-zero-through-out-a-process | python, pandas, dataframe, data-science | 1,686,142,273 |
se_76415088 | stackoverflow | DATA_SCIENCE | pandas series mark all the rows between two values | pandas series mark all the rows between two values
I have a series ( a single col in a df) with 3 possible values:
Stable, Increase, Decresae
, and I want to mark all the areas between a Increase to the subsequent Decrease. So for the values:
Stable
Stable
Stable
Increase
Increase
Stable
Stable
Decrease
Stable
Increa... | https://stackoverflow.com/questions/76415088/pandas-series-mark-all-the-rows-between-two-values | pandas, dataframe, data-science, data-munging | 1,686,057,467 |
se_68053674 | stackoverflow | DATA_SCIENCE | opendatasoft. Analog for 'worldcitiespop' dataset | opendatasoft. Analog for 'worldcitiespop' dataset
Who can recommend analog for dateset
worldcitiespop
on https://public.opendatasoft.com/?
I use this data set early, but now, this data set is not available.
Or may be, you know another open data source with public api. | https://stackoverflow.com/questions/68053674/opendatasoft-analog-for-worldcitiespop-dataset | data-science, opendatasoft | 1,624,174,728 |
se_76392184 | stackoverflow | DATA_SCIENCE | Create tables using OptBinning with custom bins | Create tables using OptBinning with custom bins
I want to use the library optbinning to create tables with all the metrics, but under the assumption that I already have all the bins. I don't want to optimize the binning process, I just want the tables with my current bins. Despite the fact that I've found a "solution"... | https://stackoverflow.com/questions/76392184/create-tables-using-optbinning-with-custom-bins | python, data-science, analytics, optbinning | 1,685,725,588 |
se_76400223 | stackoverflow | DATA_SCIENCE | Getting error while parsing through driver.find_element() | Getting error while parsing through driver.find_element()
I am getting below error even after correcting the query, I have tried all the given solutions but the error is still same.
I am using 2 jupyter files, one is imported into the other and is used to extract data from the web
Attached error screenshot and the cod... | https://stackoverflow.com/questions/76400223/getting-error-while-parsing-through-driver-find-element | python, selenium-webdriver, data-science, analysis | 1,685,878,963 |
se_76401941 | stackoverflow | DATA_SCIENCE | sentiment classification using doc2vec and LSTM Models | sentiment classification using doc2vec and LSTM Models
I am building a text classification model based on sentiment analysis,
the data contains text and sentiment[Positive, Natural, Negative]
As first step, I clean the data and normalize it,
then create doc2vec embedding:
# Convert the data to TaggedDocument format fo... | https://stackoverflow.com/questions/76401941/sentiment-classification-using-doc2vec-and-lstm-models | python, nlp, data-science, lstm, doc2vec | 1,685,904,224 |
se_76400397 | stackoverflow | DATA_SCIENCE | Prevent tidymodels from turning numeric to chr | Prevent tidymodels from turning numeric to chr
Apologies if this has been asked before, but I was unable to find the corresponding info.
I am using the recipe from tidymodels and trying to create a model (eventually).
As I prepped my this is effectively what it looked like (apologies, I can't include the actual data)
... | https://stackoverflow.com/questions/76400397/prevent-tidymodels-from-turning-numeric-to-chr | r, types, data-science, tidymodels, r-recipes | 1,685,881,334 |
se_72675260 | stackoverflow | DATA_SCIENCE | In the ROUGE metrics, what do the low, mid and high values mean? | In the ROUGE metrics, what do the low, mid and high values mean?
The ROUGE metrics were introduced to "automatically determine the quality of a summary by comparing it to other (ideal) summaries created by humans" [1].
When calculating any ROUGE metric you get an AggregateScore object with 3 parameters: low, mid, high... | https://stackoverflow.com/questions/72675260/in-the-rouge-metrics-what-do-the-low-mid-and-high-values-mean | machine-learning, nlp, data-science, evaluation, summarization | 1,655,626,221 |
se_76297649 | stackoverflow | DATA_SCIENCE | Auto ARIMA in Python results in poor fitting prediction of trend | Auto ARIMA in Python results in poor fitting prediction of trend
New to ARIMA and attempting to model a dataset in Python using auto ARIMA.
I'm using auto-ARIMA as I believe it will be better at defining the values of p, d and q however the results are poor and I need some guidance.
Please see my reproducible attempts... | https://stackoverflow.com/questions/76297649/auto-arima-in-python-results-in-poor-fitting-prediction-of-trend | python, data-science, prediction, arima, pmdarima | 1,684,623,743 |
se_76298214 | stackoverflow | DATA_SCIENCE | hoe to applied example in Sentiment analysis using textblob and naive bayes | hoe to applied example in Sentiment analysis using textblob and naive bayes
Hi i am using amazon food dataset and my project about sentiment analysis i used TextBlob and naive Bayes models and after i get the accuracy for both
i wants t to applied each model in example like this
enter image description here
this is th... | https://stackoverflow.com/questions/76298214/hoe-to-applied-example-in-sentiment-analysis-using-textblob-and-naive-bayes | dataset, data-science, sentiment-analysis, naivebayes, textblob | 1,684,640,947 |
se_74424083 | stackoverflow | DATA_SCIENCE | Federated learning weighted aggregation | Federated learning weighted aggregation
I would like to add different weights to clients in Federated learning, so in the aggregation stage, each client has a different impact on the global model.
For example:
Client_1 has 2X impact
Client_2 has X impact
I am looking for suggestions to implement this approach. | https://stackoverflow.com/questions/74424083/federated-learning-weighted-aggregation | python, machine-learning, data-science, federated-learning | 1,668,367,682 |
se_76375459 | stackoverflow | DATA_SCIENCE | Generating means from bivariate gaussian distribution | Generating means from bivariate gaussian distribution
I am reading the book "The elements of statistical learning" Ch 2 and on page 16 there is this line - 'First we generate 10 means m_k from a bivariate gaussian distribution N((1,0),I) and labelled BLUE. Similarly, 10 more were drawn from N((0,1),I) and labelled ORA... | https://stackoverflow.com/questions/76375459/generating-means-from-bivariate-gaussian-distribution | statistics, data-science, gaussian-process, gaussian-mixture-model | 1,685,549,451 |
se_76361820 | stackoverflow | DATA_SCIENCE | How to add a fixed value to the Y axis in Altair? | How to add a fixed value to the Y axis in Altair?
I'm new to Altair and I'd like to add a two rule lines on the Y axis of a stock progression in my line chart.
The DataFrame symbol_data has Date, Symbol, Name, Close, and I added another column "StdDev" which is the standard deviation for the entire data set.
chart = a... | https://stackoverflow.com/questions/76361820/how-to-add-a-fixed-value-to-the-y-axis-in-altair | python, data-science, altair | 1,685,424,469 |
se_76345909 | stackoverflow | DATA_SCIENCE | Why I can't load dataset from seaborn | Why I can't load dataset from seaborn
I am trying to load the dataset iris from seaborn in my spyder
My code was simple:
import seaborn as sns
df = sns.load_dataset('iris')
print(df)
I am not getting output. I have tried in Jupiter notebook also, not getting any output
What to do?
I tried to load a dataset form s... | https://stackoverflow.com/questions/76345909/why-i-cant-load-dataset-from-seaborn | python, pandas, numpy, seaborn, data-science | 1,685,174,462 |
se_76287760 | stackoverflow | DATA_SCIENCE | What does ' ::Page{} ' do in R/RStudio? | What does ' ::Page{} ' do in R/RStudio?
What does ::Page{} do in R/RStudio ?
I'm studying Data Science through IBM certification course in coursera and the notes contain this line of code in all the code blocks and no explanation to what the "Page" function is doing
#load ggplot package
library(ggplot2)
::pa... | https://stackoverflow.com/questions/76287760/what-does-page-do-in-r-rstudio | r, data-science, data-analysis | 1,684,488,501 |
se_67582613 | stackoverflow | DATA_SCIENCE | Ramdom Oversampling with Stratified KFold - Value Error | Ramdom Oversampling with Stratified KFold - Value Error
I have a data frame that looks like this. The data set is standardized using Standard scaler and dummy variables added for all categorical variables. It is now broken into train and test sets.
amt gender city_pop birth_year distance
1... | https://stackoverflow.com/questions/67582613/ramdom-oversampling-with-stratified-kfold-value-error | python, machine-learning, data-science, k-fold, oversampling | 1,621,326,665 |
se_61348016 | stackoverflow | DATA_SCIENCE | What does DataFrame.select_dtypes(exclude=['object']) actually do? | What does DataFrame.select_dtypes(exclude=['object']) actually do?
I'm learning data science with the help of an online course. While learning about filtering specific datatype from a DataFrame object in Pandas, I came across this line of code:
df = df.select_dtypes(exclude=['object'])
The purpose of the mo... | https://stackoverflow.com/questions/61348016/what-does-dataframe-select-dtypesexclude-object-actually-do | python, pandas, dataframe, data-science | 1,587,485,477 |
se_75575549 | stackoverflow | DATA_SCIENCE | Selection in the Dashboard to reflect in the drop-down in Tableau Dashboard | Selection in the Dashboard to reflect in the drop-down in Tableau Dashboard
I have created the dashboard as the cascading filter(1 filter when selected affects the choice of other filters) which is working fine in attached Sample. But I want that --> when I click on the house h2 within the sheet , that should get ref... | https://stackoverflow.com/questions/75575549/selection-in-the-dashboard-to-reflect-in-the-drop-down-in-tableau-dashboard | data-science, tableau-api, tableau-desktop, tableau-prep | 1,677,452,859 |
se_76304762 | stackoverflow | DATA_SCIENCE | Load Teachable Machine Model in HTML and JavaScript Code | Load Teachable Machine Model in HTML and JavaScript Code
I created a teachable machine audio project and uploaded it and used url in html code that is also provided by teachable machine and when I run in the browser it is working. But now I want to use downloaded model instead of uploaded url:
what I tried:
in place o... | https://stackoverflow.com/questions/76304762/load-teachable-machine-model-in-html-and-javascript-code | javascript, html, tensorflow, data-science, teachable-machine | 1,684,747,836 |
se_76306008 | stackoverflow | DATA_SCIENCE | How can I fix the 'arrays must be in the same length' error in my Python web scraping code using Selenium and BeautifulSoup? | How can I fix the 'arrays must be in the same length' error in my Python web scraping code using Selenium and BeautifulSoup?
import bs4
import pandas as pd
import re
from bs4 import BeautifulSoup
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui impor... | https://stackoverflow.com/questions/76306008/how-can-i-fix-the-arrays-must-be-in-the-same-length-error-in-my-python-web-scr | python, selenium-webdriver, web-scraping, beautifulsoup, data-science | 1,684,757,036 |
se_76298855 | stackoverflow | DATA_SCIENCE | How does python apply filters to specific columns? | How does python apply filters to specific columns?
The NumPy array data has a shape of (1000, ). More specifically, look at the code below:
data = np.genfromtext("data.csv", delimiter=",", skip_header=1, names=("Score", "GPA", "Research"))
I want to find out how many students have research experience. I apply this fi... | https://stackoverflow.com/questions/76298855/how-does-python-apply-filters-to-specific-columns | python, numpy, data-science | 1,684,656,019 |
se_76292991 | stackoverflow | DATA_SCIENCE | Data Treatment in concatenating some missing numbers | Data Treatment in concatenating some missing numbers
When I passed the data to an Excel sheet, it cut of all the extra zeros that come before the numbers, but some of them actually started with zeros, so some rows are lacking zeros.
I already cut the zeros off:
import pandas as pd
cpfs = pd.read_excel('cpfs.xlsx')
cp... | https://stackoverflow.com/questions/76292991/data-treatment-in-concatenating-some-missing-numbers | python, pandas, data-science | 1,684,539,666 |
se_76293954 | stackoverflow | DATA_SCIENCE | how to extract director name from each row in dataset['crew'] | how to extract director name from each row in dataset['crew']
"[{'credit_id': '52fe4284c3a36847f8024f49', 'department': 'Directing', 'gender': 2, 'id': 7879, 'job': 'Director', 'name': 'John Lasseter', 'profile_path': '/7EdqiNbr4FRjIhKHyPPdFfEEEFG.jpg'}
]"" the dataset['crew'] looks like this. | https://stackoverflow.com/questions/76293954/how-to-extract-director-name-from-each-row-in-datasetcrew | python, data-science, recommendation-engine | 1,684,566,452 |
se_71608038 | stackoverflow | DATA_SCIENCE | How to Re-Write Lambda Function (via Pandas .apply() method) to Beat Famous "ValueError: The truth value of a Series is ambiguous."? | How to Re-Write Lambda Function (via Pandas .apply() method) to Beat Famous "ValueError: The truth value of a Series is ambiguous."?
Edit: Solutions posted in this notebook. Special thanks to Étienne Célèry and ifly6!
I am trying to figure out how to beat the feared error:
ValueError: The truth value of a ... | https://stackoverflow.com/questions/71608038/how-to-re-write-lambda-function-via-pandas-apply-method-to-beat-famous-val | python, pandas, dataframe, lambda, data-science | 1,648,148,319 |
se_76290625 | stackoverflow | DATA_SCIENCE | Attempting to do emotion tagging | Attempting to do emotion tagging
I'm currently working on a sentiment analysis.
from transformers import pipeline
sent_pipeline=pipeline('sentiment-analysis')
This are my codes and the error its giving me is:
Failed to import transformers.models.gpt2.modeling_gpt2 because of the following error (look up to see its ... | https://stackoverflow.com/questions/76290625/attempting-to-do-emotion-tagging | python, data-science, sentiment-analysis | 1,684,511,264 |
se_76290407 | stackoverflow | DATA_SCIENCE | Troubleshooting 'Notebook validation failed: data.cells' error in Jupyter Notebook | Troubleshooting 'Notebook validation failed: data.cells' error in Jupyter Notebook
How to resolve the error "Notebook validation failed: data.cells[{data__cells_x}] must be valid exactly by one definition (0 matches found)" in Jupyter Notebook?
How can I resolve the "Notebook validation failed: data.cells[{dat... | https://stackoverflow.com/questions/76290407/troubleshooting-notebook-validation-failed-data-cells-error-in-jupyter-notebo | python, error-handling, jupyter-notebook, data-science, data-analysis | 1,684,509,545 |
se_76286721 | stackoverflow | DATA_SCIENCE | Python can recognize header position and extract header info | Python can recognize header position and extract header info
I have a csv file in which there are 3 or more headers in one csv file. I want python or pandas to be able to recognize the header position and extract the header info in the csv file. Here I give an example of a csv file that I have.
"Level and Distortion",... | https://stackoverflow.com/questions/76286721/python-can-recognize-header-position-and-extract-header-info | python, pandas, data-science, visualization | 1,684,479,678 |
se_76278352 | stackoverflow | DATA_SCIENCE | MemoryError: Unable to allocate 31.1 GiB for an array with shape (21714, 100) and data type <U3844 | MemoryError: Unable to allocate 31.1 GiB for an array with shape (21714, 100) and data type <U3844
I am training a BiLSTM CRF model and facing this error on all platform like jupyter notebook, colab, pycharm and even vscode in ubuntu 22.04.
MemoryError Traceback (most recent call last... | https://stackoverflow.com/questions/76278352/memoryerror-unable-to-allocate-31-1-gib-for-an-array-with-shape-21714-100-an | python, pytorch, data-science, crf, bilstm | 1,684,392,166 |
se_76280790 | stackoverflow | DATA_SCIENCE | python function to display even numbers in the list from the user input list without using built in functions | python function to display even numbers in the list from the user input list without using built in functions
I want user to input the values into the string, using the user defined function i want it to return the even numbers.
I am trying to call filter_even() and pass evens as an argument.
def filter_even(evens):
... | https://stackoverflow.com/questions/76280790/python-function-to-display-even-numbers-in-the-list-from-the-user-input-list-wit | python, data-science | 1,684,412,341 |
se_76283470 | stackoverflow | DATA_SCIENCE | How can I use Pandas or Openpyxl to classify a database in Excel based on supplier names? | How can I use Pandas or Openpyxl to classify a database in Excel based on supplier names?
I want to classify a database in excel using Python (Pandas or Openpyxl), where I have the name of the supplier in the 1st column and I want to fill in the type in the 2nd column. But I need to identify the supplier as a string (... | https://stackoverflow.com/questions/76283470/how-can-i-use-pandas-or-openpyxl-to-classify-a-database-in-excel-based-on-suppli | python, data-science | 1,684,433,805 |
se_76280180 | stackoverflow | DATA_SCIENCE | Bard in react-native | Bard in react-native
Can I implement Bard in react-native project?
I searched on Google and chatGPT as well to find that can use BardAPI in react-native project, so I didn't find any article or any things related to this. Could anyone explain me the way of implement it? | https://stackoverflow.com/questions/76280180/bard-in-react-native | react-native, data-science, artificial-intelligence, alphabet, chatgpt-api | 1,684,407,805 |
se_71101448 | stackoverflow | DATA_SCIENCE | How to handle imbalanced data in general | How to handle imbalanced data in general
I have been working on the case study where data is highly imbalanced. we have been taught we can handle the imbalanced data by either under sampling the majority class or over sampling the minority class.
I wanted to ask if there is any other way/method that can be used to han... | https://stackoverflow.com/questions/71101448/how-to-handle-imbalanced-data-in-general | machine-learning, data-science, imbalanced-data | 1,644,761,489 |
se_58897964 | stackoverflow | DATA_SCIENCE | JupyterLab vs JupyterNotebook | JupyterLab vs JupyterNotebook
Hello everyone on Stack Overflow. Today, I would like to ask something very different question.
I am currently working as a data scientist, and I work alot on JupyterLab/Notebook. Couple of my co-workers use Notebook instead of JupyterLab. It seems like there are not much difference bet... | https://stackoverflow.com/questions/58897964/jupyterlab-vs-jupyternotebook | jupyter-notebook, anaconda, data-science, jupyter-lab | 1,573,970,583 |
se_69088218 | stackoverflow | DATA_SCIENCE | Google Ads API: creating an IpBlockInfo instance | Google Ads API: creating an IpBlockInfo instance
I need to modify the blocked IP addresses for a given campaign using the Google Ads API call (version v8). I figured that to add blocked IPs to a given campaign I must create a new campaign criterion, not update an existing one, using the MutateCampaignCriterion endpoin... | https://stackoverflow.com/questions/69088218/google-ads-api-creating-an-ipblockinfo-instance | python, data-science, etl, google-ads-api, ip-blocking | 1,631,017,537 |
se_69302224 | stackoverflow | DATA_SCIENCE | How to One Hot Encode a Dataframe Column in Python? | How to One Hot Encode a Dataframe Column in Python?
I'm trying to convert a column Dataframe with One Hot Encoder with this code.
from sklearn.preprocessing import OneHotEncoder
df['label'] = OneHotEncoder().fit(df['label']).toarray()
This is the traceback
ValueError: Expected 2D array, got 1D array instead:
array=... | https://stackoverflow.com/questions/69302224/how-to-one-hot-encode-a-dataframe-column-in-python | python, machine-learning, scikit-learn, data-science, one-hot-encoding | 1,632,408,341 |
se_74761900 | stackoverflow | DATA_SCIENCE | Error message: Error in data$CVDSTRK3 : object of type 'closure' is not subsettable | Error message: Error in data$CVDSTRK3 : object of type 'closure' is not subsettable
Q<-patients_with_stroke <- data[data$CVDSTRK3==1,]
max_numwomen<-max(patients_with_stroke$NUMWOMEN, na.rm = TRUE)
max_numwomen
Please help. I tried to find the highest value for number of adult women in the household where som... | https://stackoverflow.com/questions/74761900/error-message-error-in-datacvdstrk3-object-of-type-closure-is-not-subsetta | r, data-science, data-analysis | 1,670,771,154 |
se_76253753 | stackoverflow | DATA_SCIENCE | Combining strings which have been altered | Combining strings which have been altered
I have the following three strings:
"A randomized, prospective study of [intervention]endometrial resection[intervention] to prevent recurrent endometrial polyps in women with breast cancer receiving tamoxifen. To assess the role of endometrial resection in preventing recurren... | https://stackoverflow.com/questions/76253753/combining-strings-which-have-been-altered | python, string, data-science | 1,684,151,229 |
se_76236925 | stackoverflow | DATA_SCIENCE | WIth wordcloud, it says 'only Truetypefonts supported' ('despite adding the right path), or 'TypeError: argument of type 'int' is not iterable | WIth wordcloud, it says 'only Truetypefonts supported' ('despite adding the right path), or 'TypeError: argument of type 'int' is not iterable
I wanted to see if I could generate a wordcloud on my fake dataframe, but I'm running in quite some trouble. I used the code from this website:
https://... | https://stackoverflow.com/questions/76236925/with-wordcloud-it-says-only-truetypefonts-supported-despite-adding-the-righ | python, pip, python-imaging-library, data-science, word-cloud | 1,683,898,991 |
se_76246837 | stackoverflow | DATA_SCIENCE | How do I drop and change dtype in a Pipeline with sklearn? | How do I drop and change dtype in a Pipeline with sklearn?
I have some scraped data that needs some cleaning. After the cleaning, I want to create a "numerical and categorical pipelines" inside a ColumnTransformer such as:
categorical_cols = df.select_dtypes(include='object').columns
numerical_cols = df.select_dtypes(... | https://stackoverflow.com/questions/76246837/how-do-i-drop-and-change-dtype-in-a-pipeline-with-sklearn | python, machine-learning, scikit-learn, data-science | 1,684,057,954 |
se_76244605 | stackoverflow | DATA_SCIENCE | How to save the changes after a loop in python? | How to save the changes after a loop in python?
for i in data['test preparation course']: if i == 'none': i = None
here, I'm trying to convert 'none' string with None values in python, and it went well.
I just want to activate the changes on the dataset | https://stackoverflow.com/questions/76244605/how-to-save-the-changes-after-a-loop-in-python | python, pandas, data-science, data-analysis, data-cleaning | 1,684,007,305 |
se_76234776 | stackoverflow | DATA_SCIENCE | Creating a for loop of pie charts | Creating a for loop of pie charts
I am trying to create a for loop which loops over all of teh data values of my pandas dataframe and creates a pie chart with fast and flow charging stations as hue for each year. It should also have the percentage of the total charging stations for each year.
region powertrain y... | https://stackoverflow.com/questions/76234776/creating-a-for-loop-of-pie-charts | python, for-loop, data-science | 1,683,882,589 |
se_76233716 | stackoverflow | DATA_SCIENCE | Groupby Mean not working on titanic dataset in Python | Groupby Mean not working on titanic dataset in Python
I am using titanic dataset and tring to run the groupby command but its not working as shown on countless tutorials online. I have named my dataframe as ks_cl. Here is the command I executed in VScode:
ks_cl.groupby(['sex']).mean()
This is the output:
NotImplemente... | https://stackoverflow.com/questions/76233716/groupby-mean-not-working-on-titanic-dataset-in-python | python, pandas, dataframe, data-science | 1,683,873,546 |
se_76232426 | stackoverflow | DATA_SCIENCE | How to generate random variables from a probability density function/ probability mass function | How to generate random variables from a probability density function/ probability mass function
I am trying simulate random arrival times for cars that will park in a small parking lot. I want to use a random generator to create random parking events. I am not sure if numpy is the correct library for this job.
Example... | https://stackoverflow.com/questions/76232426/how-to-generate-random-variables-from-a-probability-density-function-probabilit | python, numpy, scipy, data-science, probability-density | 1,683,851,570 |
se_48981550 | stackoverflow | DATA_SCIENCE | What is the best way of Under sampling in R | What is the best way of Under sampling in R
I have a dataset with attribute A,B, C. C is a factor with 2 labels zz and z. number of (z) > number of (zz), I want to under sample my data set so that in the new data has same no of zz and z values. Can't use any external package for this. Best if can be done using sample ... | https://stackoverflow.com/questions/48981550/what-is-the-best-way-of-under-sampling-in-r | r, random, analytics, data-science | 1,519,619,960 |
se_76226649 | stackoverflow | DATA_SCIENCE | Ordering independent variables in relation to the dependent variable | Ordering independent variables in relation to the dependent variable
I am building a regression model with some of the following variables:
Dependent variable named 'Churned'. This contains either 1 or 0. 1 if they churned and 0 if they did not.
Independent variable named 'How happy with the service'. This is on a s... | https://stackoverflow.com/questions/76226649/ordering-independent-variables-in-relation-to-the-dependent-variable | data-science, linear-regression, logistic-regression | 1,683,800,996 |
se_66917445 | stackoverflow | DATA_SCIENCE | Complete Cryptocurrencies Data | Complete Cryptocurrencies Data
I am working on cryptocurrencies blockchain data and I want data from the beginning of the time of that particular cryptocurrency. Is there any way to download complete block data in the Postgresql file?
https://blockchair.com/dumps is although offering this but they limit the download s... | https://stackoverflow.com/questions/66917445/complete-cryptocurrencies-data | data-science, blockchain, data-analysis, bitcoin, cryptocurrency | 1,617,356,831 |
se_76219962 | stackoverflow | DATA_SCIENCE | How to read a column and apply a function to each cell as a tuple? | How to read a column and apply a function to each cell as a tuple?
I'm trying to analyze a database with coordinates (X,Y). I need to read each data in that column and classify it as either North or South if it's "Y" or East or West if it's "X". So basically what I want to do is read each data in that column and apply... | https://stackoverflow.com/questions/76219962/how-to-read-a-column-and-apply-a-function-to-each-cell-as-a-tuple | python, pandas, database, dataframe, data-science | 1,683,730,839 |
se_76213798 | stackoverflow | DATA_SCIENCE | What is different between Jupyterhub and simple Jupyter? | What is different between Jupyterhub and simple Jupyter?
What is differents between Jupyterhub and simple Jupyter?
I want you describe in more detail | https://stackoverflow.com/questions/76213798/what-is-different-between-jupyterhub-and-simple-jupyter | data-science, artificial-intelligence, devops | 1,683,671,857 |
se_68282541 | stackoverflow | DATA_SCIENCE | Python script iterates over whole folder but skips files in the folder | Python script iterates over whole folder but skips files in the folder
I tried running the following code. The code should read hdf5 files from a directory and create for every hdf5 file a png and a txt file with the same name (btw. I need it as input for the CNN YOLO).
The code does what I described but only for 20 i... | https://stackoverflow.com/questions/68282541/python-script-iterates-over-whole-folder-but-skips-files-in-the-folder | python, data-science | 1,625,646,395 |
se_76205150 | stackoverflow | DATA_SCIENCE | Trouble creating a conda environment | Trouble creating a conda environment
I am trying to create a conda environment but am running into a lot of trouble. This is my first time using conda (with the intention of using Jupyter notebooks for the first time).
Using macOS, I start by typing into the terminal:
conda create --name test_name scikit-learn pandas ... | https://stackoverflow.com/questions/76205150/trouble-creating-a-conda-environment | jupyter-notebook, anaconda, data-science, jupyter, conda | 1,683,592,192 |
se_45221940 | stackoverflow | DATA_SCIENCE | Creating train/test/val split with StratifiedKFold | Creating train/test/val split with StratifiedKFold
I'm trying to use StratifiedKFold to create train/test/val splits for use in a non-sklearn machine learning work flow. So, the DataFrame needs to be split and then stay that way.
I'm trying to do it like the following, using .values because I'm passing pandas DataFra... | https://stackoverflow.com/questions/45221940/creating-train-test-val-split-with-stratifiedkfold | python, pandas, scikit-learn, cross-validation, data-science | 1,500,573,242 |
se_76174413 | stackoverflow | DATA_SCIENCE | Collapse rows by common variable of list | Collapse rows by common variable of list
I want to collapse the rows of dataframe to create the orthologe group of each othologe and its corresponding genes.
For example:
Column A
Column B
Ortho1
gene1
Ortho2
gene2, gene3
Ortho3
gene4, gene5, gene6
Ortho4
gene5, gene6
Ortho5
gene6, gene7
Ortho6
gene1... | https://stackoverflow.com/questions/76174413/collapse-rows-by-common-variable-of-list | r, dataframe, tidyverse, data-science, bioinformatics | 1,683,211,144 |
se_76198692 | stackoverflow | DATA_SCIENCE | How can i see all parameters of a function in Pandas? | How can i see all parameters of a function in Pandas?
dir(pd) shows only some of pandas functions not all, but in documentation there are a lot of them that are quite handy. Is there any way to see list of all functions and particularly their parameters with some code? Thanks | https://stackoverflow.com/questions/76198692/how-can-i-see-all-parameters-of-a-function-in-pandas | python, pandas, function, parameters, data-science | 1,683,533,984 |
se_76204274 | stackoverflow | DATA_SCIENCE | Index a different range of indicies from each row of numpy array | Index a different range of indicies from each row of numpy array
I have two arrays of incidies with shape m. I need to take the mean of the values inbetween the indicies from an array with shape m x n. Can this be done without iterating through each row? What is the fastest way to do this?
idx0 = np.array([1, 3, 2, 5]... | https://stackoverflow.com/questions/76204274/index-a-different-range-of-indicies-from-each-row-of-numpy-array | python, numpy, data-science | 1,683,579,022 |
se_75785140 | stackoverflow | DATA_SCIENCE | right way to use simple imputer? | right way to use simple imputer?
I have a test- and a train-dataset with nan-values. I would like to use simple imputer in order to deal with them using the following code.
#numerical values
imp= SImp(strategy= 'median') #or 'mean', 'median', 'most_frequent'
my_df.loc[:, num_cols_nan]= imp.fit_transform(def_df.loc[:,... | https://stackoverflow.com/questions/75785140/right-way-to-use-simple-imputer | python, data-science, imputation | 1,679,262,653 |
se_71974438 | stackoverflow | DATA_SCIENCE | Training New AutoTokenizer Hugging Face | Training New AutoTokenizer Hugging Face
Getting this error: AttributeError: 'GPT2Tokenizer' object has no
attribute 'train_new_from_iterator'
Very similar to hugging face documentation. I changed the input and that's it (shouldn't affect it). It worked once. Came back to it 2 hrs later and it doesn't... nothing was c... | https://stackoverflow.com/questions/71974438/training-new-autotokenizer-hugging-face | python, nlp, data-science, huggingface-transformers, transformer-model | 1,650,660,236 |
se_76078066 | stackoverflow | DATA_SCIENCE | Why am I getting this error when trying to use snscraper? | Why am I getting this error when trying to use snscraper?
The following code:
import time
import pandas as pd
# pip install snscrape
!pip install snscrape
# Pull Twitter data using SNScrape
import snscrape.modules.twitter as sntwitter
scraper = sntwitter.TwitterSearchScraper("#python")
for tweet in scraper.get_ite... | https://stackoverflow.com/questions/76078066/why-am-i-getting-this-error-when-trying-to-use-snscraper | python, pandas, data-science | 1,682,138,772 |
se_76189409 | stackoverflow | DATA_SCIENCE | How to resampling o multidimensional event without losing information | How to resampling o multidimensional event without losing information
I have a dataset representing a time series
The time series has 165 events
Each unique event has 15 rows, FX1, FX2, … FX15
The time between each row is 1 minute so one event takes 15 minutes
Each row has 6 features F1,F2,F3,T1,T2,T3
All values are n... | https://stackoverflow.com/questions/76189409/how-to-resampling-o-multidimensional-event-without-losing-information | pandas, machine-learning, time-series, data-science, artificial-intelligence | 1,683,383,106 |
se_76191151 | stackoverflow | DATA_SCIENCE | Is there a Python function that allows me to sum the last goals of a team in a dataframe? | Is there a Python function that allows me to sum the last goals of a team in a dataframe?
I'm solo learning football data science, and want to analyse some things in the turkish league. Now I'm trying to make some analyses from the past 5 games of both teams from the upcoming games. First I've already made a dataframe... | https://stackoverflow.com/questions/76191151/is-there-a-python-function-that-allows-me-to-sum-the-last-goals-of-a-team-in-a-d | python, pandas, data-science | 1,683,407,293 |
se_76190848 | stackoverflow | DATA_SCIENCE | How can I double unpivot data like in this example in SQL? | How can I double unpivot data like in this example in SQL?
I saw sometimes you can use a cross apply, but I feel it won't work in this case as I have 10 columns for "Days" (for 10 years) and 10 columns for "Discharges" (for 10 years).....so I need this pivoted into 10 different row per zip and age group.
Starting outp... | https://stackoverflow.com/questions/76190848/how-can-i-double-unpivot-data-like-in-this-example-in-sql | sql, sql-server, database, data-science, ssms | 1,683,402,915 |
se_76187352 | stackoverflow | DATA_SCIENCE | How to resolve 'AttributeError' in 'yfinance' library while getting historical stock data for TSLA? | How to resolve 'AttributeError' in 'yfinance' library while getting historical stock data for TSLA?
I'm trying to retrieve the historical stock data for TSLA using the yfinance library in Python and converting the index to a pandas DatetimeIndex in the UTC timezone. This is my code:
import yfinance as ... | https://stackoverflow.com/questions/76187352/how-to-resolve-attributeerror-in-yfinance-library-while-getting-historical-s | python-3.x, jupyter-notebook, data-science | 1,683,352,327 |
se_76183889 | stackoverflow | DATA_SCIENCE | Dataframe.groupby function not working correctly on Jupyter notebook | Dataframe.groupby function not working correctly on Jupyter notebook
I have initialized a df like:
import numpy as np
import pandas as pd
df = pd.read_csv('pokemon_data.csv')
df
Running df.info() for this dataset:
<class 'pandas.core.frame.DataFrame'>
RangeIndex: 800 entries, 0 to 799
Data columns (total 12 col... | https://stackoverflow.com/questions/76183889/dataframe-groupby-function-not-working-correctly-on-jupyter-notebook | python, pandas, group-by, jupyter-notebook, data-science | 1,683,301,403 |
se_76184967 | stackoverflow | DATA_SCIENCE | Efficiently iterating over a list to extract count for multiple variables | Efficiently iterating over a list to extract count for multiple variables
I have a dataset of medical insurance variables, and am interested in understanding how the proportion of smokers ('yes', 'no') differ between regions ('northwest', 'northeast', 'southwest', 'southeast').
I have used a for loop to iterate over e... | https://stackoverflow.com/questions/76184967/efficiently-iterating-over-a-list-to-extract-count-for-multiple-variables | python, for-loop, data-science, analysis | 1,683,310,801 |
se_75464638 | stackoverflow | DATA_SCIENCE | How to delete specific cells in a pandas dataframe giving some conditions? | How to delete specific cells in a pandas dataframe giving some conditions?
I want to clear the contents of the first two cells in location for every first 2 duplicates in last name.
For eg: i want to clear out the 1st 2 location occurances for Balchuinas and only keep the 3rd one. Same goes for London and Fleck. I ONL... | https://stackoverflow.com/questions/75464638/how-to-delete-specific-cells-in-a-pandas-dataframe-giving-some-conditions | python, pandas, data-science, data-analysis | 1,676,489,545 |
se_76177042 | stackoverflow | DATA_SCIENCE | Pandas Correlation Matrices? | Pandas Correlation Matrices?
I have a large DataFrame; the values of all columns are floating point numbers, and the indices are of type DatetimeIndex. For example, here is the first part of my DataFrame:
col0 col1 col2 col3 col4 ...
2035-10-30 1.0 1.0 1.0 1.0 1.0 ...
2035-10-31 1.0 1.0 1.0 1.0 ... | https://stackoverflow.com/questions/76177042/pandas-correlation-matrices | python, pandas, dataframe, data-science | 1,683,231,000 |
se_76168726 | stackoverflow | DATA_SCIENCE | I ran a command that was supposed to show me the data about my object detection ai but i get an error that i can't solve | I ran a command that was supposed to show me the data about my object detection ai but i get an error that i can't solve
basically i have this command:
python Tensorflow\models\research\object_detection\model_main_tf2.py --model_dir=Tensorflow\workspace\models\my_ssd_mobnet --pipeline_config_path=Tensorflow\worksp... | https://stackoverflow.com/questions/76168726/i-ran-a-command-that-was-supposed-to-show-me-the-data-about-my-object-detection | python, data-science, object-detection, python-unicode | 1,683,158,966 |
se_76157596 | stackoverflow | DATA_SCIENCE | Scaling a dataset in matplotlib on x and y axis relative to another dataset? | Scaling a dataset in matplotlib on x and y axis relative to another dataset?
I am trying to scale two different sets of data to be visually equivalent.
Green data set has extreme Y values and significantly more data points. Hence Orange data set falls flat and short.
What functions exist that allow me to scale them eq... | https://stackoverflow.com/questions/76157596/scaling-a-dataset-in-matplotlib-on-x-and-y-axis-relative-to-another-dataset | python, matplotlib, plot, graph, data-science | 1,683,049,922 |
se_76147574 | stackoverflow | DATA_SCIENCE | Complex problem: Error with organising information on a very large dataset | Complex problem: Error with organising information on a very large dataset
I have two pandas dataframes. The first is called df that has a list of records of flights (saved in different columns: stand, acreg, start_datetime, and end_datetime).
For each record, there are many values in the column "fpu_A" in a second Da... | https://stackoverflow.com/questions/76147574/complex-problem-error-with-organising-information-on-a-very-large-dataset | python, pandas, data-science, large-data, rolling-computation | 1,682,950,003 |
se_76159014 | stackoverflow | DATA_SCIENCE | pandas group memory usage reduction | pandas group memory usage reduction
Hello i have some code that is utilizing a high amount of memory
regressor_df is a df that has over 14 million elements. when i remove the location from the group by the amount of ram needed to process goes down by about 26gb. how can i run this group by more efficiently or have the... | https://stackoverflow.com/questions/76159014/pandas-group-memory-usage-reduction | python, pandas, data-science | 1,683,063,115 |
se_76139392 | stackoverflow | DATA_SCIENCE | R function How do I delete certain rows? | R function How do I delete certain rows?
I have a data be like this:
Each same patient has several records at different ages. How can I just keep records of each patient that with their oldest ages in the data? Thank you!
oldest_age <- aggregate(AGE~RANDID,data=df,max)
This was the way I did, but it only kept the a... | https://stackoverflow.com/questions/76139392/r-function-how-do-i-delete-certain-rows | r, data-science | 1,682,825,239 |
se_76144622 | stackoverflow | DATA_SCIENCE | What does random_state = 0 do when used as an argument to the SVC function? | What does random_state = 0 do when used as an argument to the SVC function?
I understand what random_state = 0 does in train test split and other applications. However, I do not understand it in the context of Support Vector machines/support vector classifiers. I do not understand what is it setting exactly or how it ... | https://stackoverflow.com/questions/76144622/what-does-random-state-0-do-when-used-as-an-argument-to-the-svc-function | python, python-3.x, data-science, svm | 1,682,912,778 |
se_76142614 | stackoverflow | DATA_SCIENCE | AttributeError: module 'keras.preprocessing.sequence' has no attribute 'pad_sequences' | AttributeError: module 'keras.preprocessing.sequence' has no attribute 'pad_sequences'
I'm getting this error : AttributeError: module 'keras.preprocessing.sequence' has no attribute 'pad_sequences'
import keras
from keras import preprocessing
from keras.utils import pad_sequences
tokenizer = text.Tok... | https://stackoverflow.com/questions/76142614/attributeerror-module-keras-preprocessing-sequence-has-no-attribute-pad-sequ | keras, nlp, data-science, tokenize, data-preprocessing | 1,682,875,637 |
se_76138634 | stackoverflow | DATA_SCIENCE | How to cherry pick tuned parameters after workflow_map | How to cherry pick tuned parameters after workflow_map
I've tuned succesfully several models using {tidymodels} and {workflow_set}. However, when testing the validation dataset with tune::last_fit(), the parameters obtained by tune::select_best don't behave well. This makes me want to manually test other sets of param... | https://stackoverflow.com/questions/76138634/how-to-cherry-pick-tuned-parameters-after-workflow-map | r, machine-learning, tidyverse, data-science, tidymodels | 1,682,805,423 |
se_76141538 | stackoverflow | DATA_SCIENCE | What would happen if I do a self join of a dataframe and also apply broadcasting? | What would happen if I do a self join of a dataframe and also apply broadcasting?
What will happen if I join a dataframe/RDD/dataset with itself, i.e. do a self-join, and do a broadcast of the same dataframe/RDD/dataset in the operation?
The broadcast and self-join can't work together optimally. | https://stackoverflow.com/questions/76141538/what-would-happen-if-i-do-a-self-join-of-a-dataframe-and-also-apply-broadcasting | apache-spark, pyspark, data-science, self-join | 1,682,861,762 |
se_76135165 | stackoverflow | DATA_SCIENCE | How do I encode location data for linear regression in Python? | How do I encode location data for linear regression in Python?
I am doing a beginner project to predict house prices. I have one category called 'city' with values such as Boston, Detroit, NY, etc.
If I use One Hot Encoder I will end up with a very huge dataset because there are around 100 unique values. But I am unsu... | https://stackoverflow.com/questions/76135165/how-do-i-encode-location-data-for-linear-regression-in-python | python, machine-learning, data-science, linear-regression | 1,682,755,547 |
se_76135034 | stackoverflow | DATA_SCIENCE | fillna not working in pandas for a specific column | fillna not working in pandas for a specific column
i asigned TEMPERATURE column of NaN value to be zero but not working properly all other columns working properly but this is not senter image description here
expecting to be temperature column nan values to be 0 but not working
enter image description here | https://stackoverflow.com/questions/76135034/fillna-not-working-in-pandas-for-a-specific-column | python, pandas, jupyter-notebook, data-science, nan | 1,682,753,494 |
se_76122001 | stackoverflow | DATA_SCIENCE | Why is my program closing when I try to use a second function after the initial one? | Why is my program closing when I try to use a second function after the initial one?
I am creating a GUI for my co worker to help them with their reporting processes for our genetic testing. I'm having an issue I cant seem to figure out though. The workflow is set in the order of tabs in the program. If I use the web... | https://stackoverflow.com/questions/76122001/why-is-my-program-closing-when-i-try-to-use-a-second-function-after-the-initial | python, user-interface, data-science, bioinformatics, pysimplegui | 1,682,608,298 |
se_76097942 | stackoverflow | DATA_SCIENCE | why Train/Test-split in ML? | why Train/Test-split in ML?
I can't understand why we need to split dataset in machine learning. And why this train-test-split algorithm gives four parameters(x_train, x_test, y_train, y_test)?
I see many videos and read some blogs, they explain a lot of reasons. No one agree with each other. Is there any common reaso... | https://stackoverflow.com/questions/76097942/why-train-test-split-in-ml | machine-learning, scikit-learn, data-science, train-test-split | 1,682,401,640 |
se_71621791 | stackoverflow | DATA_SCIENCE | Avoid X axis labels repetition in Altair chart | Avoid X axis labels repetition in Altair chart
So I got this chart which displays a time series in X.Axis using yearmonth('date'):T. The thing is, it duplicates the labels to fill the spaces, but I don't want that behaviour. I'd like a single label each time. How can I do this?
example df:
ID date total
3... | https://stackoverflow.com/questions/71621791/avoid-x-axis-labels-repetition-in-altair-chart | python, data-science, data-visualization, altair | 1,648,234,180 |
se_76122528 | stackoverflow | DATA_SCIENCE | How to cluster a massive amount of data that doesn't fit into memory? | How to cluster a massive amount of data that doesn't fit into memory?
I have 30 files, each is a dictionary with about 1M keys that map to embeddings:
file_1 = {key_1: some_array, key_2: some_array ...}
file_2 = {key_13: some_array, key_21: some_array ...}
...
file_30 = {key_123: some_array, key_9: some_array .... | https://stackoverflow.com/questions/76122528/how-to-cluster-a-massive-amount-of-data-that-doesnt-fit-into-memory | python, machine-learning, data-science, cluster-analysis, data-analysis | 1,682,611,677 |
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