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[WIP] NaN Support for OneHotEncoder#13028

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baluyotraf wants to merge 52 commits intoscikit-learn:masterfrom

baluyotraf:onehot-nan

Commits on Jan 22, 2019

Added _nanencode, a nan preserving implementation of _encode
baluyotraf
committed

Commits on Jan 23, 2019

Added test to _nanencode similar to _encode
baluyotraf
committed
Improved _encoding test for _nanencoding and added test for _nanencoding with missing_values
baluyotraf
committed
Fixed _get_mask from impute since string types does not support np.equal
baluyotraf
committed
Added the option to provide missing values in _nanencode as given by the added tests
baluyotraf
committed
Fixed _nanencode_python comment that went to 80 characters
baluyotraf
committed
Removed comma at the end of a one line list
baluyotraf
committed
Renamed missing_value to missing_values
baluyotraf
committed
Fixed deprecated warning on empty array comparison
baluyotraf
committed
Removed parentheses on boolean array creation
baluyotraf
committed
Changed _nanencode_python to have a more robust nan checking
baluyotraf
committed
Added nan test for object arrays and replaced some np.nan with float('nan') to verify nan checking robustness
baluyotraf
committed
Added assertion of the ValueError when an extra value is not in the uniques
baluyotraf
committed

Commits on Jan 24, 2019

Commits on Jan 28, 2019

Commits on Jan 29, 2019

Commits on Feb 15, 2019

Implemented all-zeroes and categorical handling of missing values in OneHotEncoder
Raf Baluyot
committed
Implemented all-missing for OneHotEncoder
Raf Baluyot
committed
Updated OrdinalEncoder with the changes to BaseEncoder
Raf Baluyot
committed

Commits on Mar 18, 2019

Commits on Mar 19, 2019

Added missing_values parameters in OrdinalEncoder
Raf Baluyot
committed

Commits on Mar 25, 2019

Commits on Mar 26, 2019