[MRG+2] FIX make StandardScaler & scale more numerically stable #4436
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Detect common numerical stability problems in the standardization routines and try simple mitigation strategies while alos issuing a warning.
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Alright so the numerical stability issues seems to depend on either the version of numpy or Python... We will have to relax the tests... |
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amueller
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Mar 23, 2015
[MRG+2] FIX make StandardScaler & scale more numerically stable
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I did the backport to 0.16.X. |
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Sorry for the slow reply. Yes this is perfect, thanks for your fixes! |
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This is a rebased and fixed version of #3747. I will merge if travis is still green.