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@@ -25,11 +25,33 @@ ISO week numbers including the years that have a week 53.
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  Built for the **Adaption AutoScientist Challenge, Part 2 (Math and Code)**; the training corpus was
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  co-optimized with **Adaptive Data** (Adaption Labs).
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- ## Read this before the numbers
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  **This model does not claim to take the base from zero.** On plain day-walking with no holiday in
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  the window, `gemma-3-4b-it` already scores **69 to 86%** at every chain depth we tested. Saying
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- otherwise would be easy and false.
 
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  What the base cannot do is handle the exceptions:
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  Built for the **Adaption AutoScientist Challenge, Part 2 (Math and Code)**; the training corpus was
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  co-optimized with **Adaptive Data** (Adaption Labs).
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+ ## Read this first: what kind of number follows
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+
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+ Adapters are usually scored by **win rate**, the share of rows where a language model judge
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+ preferred the tuned output. **Every number on this card is exact-match accuracy** against gold
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+ answers re-derived from row parameters in stdlib Python, by **two independently written
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+ solvers that agree on all 60,000 rows**.
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+
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+ The two are not interchangeable, and this project has the receipt. A sibling entry in this
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+ portfolio trained its identical corpus on Adaption's own AutoScientist. The platform reported
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+ a **95.48% win rate**. Our scorer, run on that same adapter, measured **62.0% exact-match
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+ accuracy**. A win rate is a preference; an accuracy is a fact.
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+
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+ | | |
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+ |---|---|
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+ | what is measured | exact match against answers computed twice, by two solvers |
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+ | solver disagreements across 60,000 rows | **0**, and a disagreeing row is dropped, never repaired |
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+ | a language model judged something | **never**, not the labels, not the scoring |
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+ | held-out rows scored | **1,150**, across four independent slices |
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+ | significance | **p = 7.2e-113**, exact McNemar, headline slice |
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+ | cost to recompute every number | one laptop, no GPU, stdlib Python only |
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+
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+ And one number this card volunteers that a delta-maximising card would bury:
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  **This model does not claim to take the base from zero.** On plain day-walking with no holiday in
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  the window, `gemma-3-4b-it` already scores **69 to 86%** at every chain depth we tested. Saying
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+ otherwise would be easy and false. The significance test agrees, independently: this base wins
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+ **13 held-out rows outright**, the only base in this portfolio that wins any at all.
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  What the base cannot do is handle the exceptions:
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