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38 Commits

Author SHA1 Message Date
Mathieu Blondel 0cf30e27fb Merge pull request #1536 from kyleabeauchamp/issue-1403 
issue #1403: binarize always converts to CSR format
 2013-01-11 00:34:07 -08:00
Kyle Beauchamp 61cb459ff5 Added MinMaxScaler inverse_transform for issue #1552 2013-01-10 13:32:19 -08:00
Kyle Beauchamp 787e82b824 Added CSC matrix testing for binarize and added type tests. 2013-01-09 10:05:53 -08:00
Gilles Louppe 9fe2e93550 Checkout files from ndawe:treeweights 2013-01-08 23:28:14 +01:00
Andreas Mueller d483c08eb9 COSMIT pep8 2012-12-30 17:24:42 +01:00
Olivier Grisel 5fbb227e1a ENH: issue warning when minmax scaling integer data + test 2012-12-27 22:38:19 +01:00
Olivier Grisel e192ce4b7a Add one more test for MinMaxScaler on newly transformed data 2012-12-27 09:25:58 +01:00
Olivier Grisel f0f1e06608 FIX: MinMaxScaler on zero variance features 2012-12-27 01:59:50 +01:00
Andreas Mueller a3af91943c TST better coverage in preprocessing module 2012-12-02 21:10:36 +00:00
Mathieu Blondel 38b0f59dcd Check returned types. 2012-11-19 23:35:06 +09:00
Mathieu Blondel 2fc7080048 Add add_dummy_feature. 2012-11-19 18:18:59 +09:00
Andreas Mueller 67e1770353 Merge pull request #1279 from amueller/one_hot_encoder 
MRG added OneHotEncoder
 2012-11-13 23:10:32 -08:00
Andreas Mueller 863816debc ENH added check for non-negative input. 2012-11-13 20:45:14 +00:00
Andreas Mueller d71ba5f357 FIX revert old behavior, all tests work :) 2012-11-10 15:53:57 +00:00
Lars Buitinck f8d7bd43fd ENH OneHotEncoder docs + TypeError + test active_features_ 2012-11-07 17:02:56 +01:00
Andreas Mueller c326b1fabe ENH removed ``remove_zeros`` parameter. 2012-10-27 18:19:57 +01:00
Andreas Mueller e04614ca03 TST fixed doctests, added more tests. Still 100% line coverage :) 2012-10-26 19:08:42 +01:00
Andreas Mueller f2e9d5b21f enh masking out zero features 2012-10-26 19:46:16 +02:00
Andreas Mueller c305629f17 TST skip test in common_tests, reach 100% coverage on new code. 2012-10-25 22:57:53 +01:00
Andreas Mueller fd9e1c2379 ENH added OneHotEncoder 2012-10-25 21:07:02 +01:00
Mathieu Blondel afb666c1d0 Use sklearn.utils.testing in tests. 2012-10-25 15:31:35 +09:00
Andreas Mueller cf4940a5b1 ENH do normalization in single pass over data 2012-09-23 17:31:15 +01:00
Andreas Mueller 77dc060af3 ENH add MinMaxScaler, #1111 2012-09-23 17:31:15 +01:00
Mathieu Blondel 7107544157 Test LabelEncoder.fit_transform with arbitrary labels. 2012-08-26 12:28:18 +09:00
Mathieu Blondel fcced589f5 Optim in LabelEncoder. 2012-08-08 18:50:37 +09:00
Florian Hoenig 7cb9468ba9 improved test_scaler_without_copy 2012-06-28 15:20:44 +02:00
Florian Hoenig de8a370254 added test that fails because Scaler.fit changes a sparse input vector when Scaler is initialized with copy=False 2012-06-28 13:05:42 +02:00
Lars Buitinck 855257f6bd ENH fix and test LabelBinarizer's handling of string labels 
Solves Issue #856. Not advertised in the documentation yet.
 2012-05-24 16:09:12 +02:00
Mathieu Blondel da2bf54d25 LabelNormalizer -> LabelEncoder. 2012-05-10 20:26:48 +09:00
Mathieu Blondel 769c481699 Add test for non-numerical labels. 2012-05-10 20:26:48 +09:00
Mathieu Blondel bd23d74e89 Add LabelNormalizer. 2012-05-10 20:26:48 +09:00
Andreas Mueller eeb6dcc4cc ENH use random states everywhere, never call np.random. 2012-05-06 18:35:14 +02:00
Mathieu Blondel 932c1555b5 Bug: must be strictly less than. 2012-02-28 16:56:25 +09:00
Mathieu Blondel f9cd715f3c Guess threshold if not explicitly provided. 2012-02-28 16:44:42 +09:00
Mathieu Blondel 5d242abc96 Merge branch 'master' of github.com:scikit-learn/scikit-learn 2012-02-28 16:28:25 +09:00
Mathieu Blondel ddccc6e76c Set label encoding in LabelBinarizer. 2012-02-28 16:27:46 +09:00
Alexandre Gramfort ad8e4912cb TST: use assert_true instead of assert + remove some relative imports 2012-02-11 15:43:03 +01:00
Mathieu Blondel c9d27f3dc0 Move preprocessing.py to sklearn/. 2012-01-21 05:39:34 +09:00