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Python is a programming language commonly used for machine learning. Use this tag for any *on-topic* question that (a) involves `Python` either as a critical part of the question or expected answer, & (b) is not *just* about how to use `Python`.
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Comparing variances of variables derived from samples of different sizes
I have a data frame, which I group by some variable v. Then I:
subgroup the variable further by month
for each month, I compute log loss and ROC AUC for points in a given group (level 1 grouping) an …