5
votes
Accepted
Solving logistic regression using CVXPY
There are two issues: computational precision issues with well-separated classes, and multicolinearity.
To the first one, check out the predicted probabilities from the model on your dataset (er, the ...
1
vote
Sample weights in Xgboost regression
This is another question where the easiest solution is the Nike approach: just do it
Here I'm generating some data y that has mean zero and then upweighting the ...
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