04078be7da
FIX make StandardScaler & scale more numerically stable
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Detect common numerical stability problems in the standardization
routines and try simple mitigation strategies while alos issuing
a warning.
2015-03-23 14:32:33 +01:00
67dcd99d82
TST fix tests with numpy 1.6.1
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np.bincount raises an Exception with empty input arrays for numpy versions < 1.6.2
Add utils.fixes.bincount to tackle this issue and use it instead of np.bincount
2015-02-01 15:49:49 +01:00
c484a4a844
MAINT remove deprecated code from preprocessing
2014-07-22 15:57:18 +02:00
6e2a83b4e1
remove check_arrays stuff and old input validation
2014-07-20 13:31:45 +02:00
89011e369a
MISC: deprecate balance_weights (it's internal)
2013-07-29 03:06:58 +02:00
Nicolas