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19 Commits

Author SHA1 Message Date
trevorstephens 2738d59ab4 fix for missing classes found in y #4327 2015-11-16 16:36:01 -08:00
Arnaud Rachez 62633f701b Addressed comments on PR #5451 2015-10-21 10:24:23 +02:00
Arnaud Rachez 5db2adf93c MAINT Removed deprecated stuff. 2015-10-21 10:24:23 +02:00
Andrew Lamb 581056774a Fix check in `compute_class_weight`. 
In https://github.com/scikit-learn/scikit-learn/issues/4921, if a key in `class_weights`, a user-specified dictionary of classes, is not present in `classes`, an error should be raised.

Added unittest.
 2015-09-12 10:19:24 -07:00
Andreas Mueller eedc1cddab Use more natural class_weight="auto" heuristic 2015-06-01 12:49:53 -04:00
Gilles Louppe 420daac269 Merge pull request #4190 from trevorstephens/refactor_cw 
MRG+2: Refactor - Farm out class_weight calcs to .utils
 2015-02-06 08:24:27 +01:00
trevorstephens 965bf51636 use safe in1d, use compute_sample_weight in ridge 2015-02-01 14:28:01 -08:00
Loïc Estève 67dcd99d82 TST fix tests with numpy 1.6.1 
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
trevorstephens c5fadff91c add compute_sample_weight util 2015-01-31 18:26:41 -08:00
Lars Buitinck b97fb3c5fc MAINT drop support for NumPy < 1.6.1 2014-03-02 20:13:57 +01:00
Manoj-Kumar-S 566237dbab FIX: Label encoding done in compute_class_weight 
Changed API such that weight[i] corresponds to sorted_weight[i].
 2014-03-01 17:04:55 +01:00
Robert Layton dacfd8bd5d DOC: Replaced all BSD style licenses with "BSD 3 clause" 
Replaced all BSD style licenses with "BSD 3 clause"
Not checked yet!

Removed duplicate "3 clause, 3 clause"

Removed trailing period if exists

Fixed some missed licences, still about 50 to do, but those can be automated

Think I got the last of them.

Apparently me and sed have different ideas of regex.

Found a few more
 2013-04-30 08:34:46 +02:00
Stefano Lattarini 67ece78da4 COSMIT various typofixes 
As suggested by codespell <https://github.com/lucasdemarchi/codespell>

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
 2013-04-11 21:22:14 +02:00
Lars Buitinck 29ed168831 BUG fix compute_class_weights issue in SGD 
Fixes #1749.
 2013-03-08 17:33:08 +01:00
Andreas Mueller ffad26a299 FIX compute_class_weight edge case 2013-03-06 23:41:24 +01:00
Lars Buitinck 9633d9d46c ENH use bincount in compute_class_weight 
As suggested by @amueller.
 2013-03-06 23:04:08 +01:00
Lars Buitinck dc2c5c42c9 FIX + TST + DOC compute_class_weight 
Fixes #1746, #1747. Bug reported and fix proposed by @gatagat.
 2013-03-06 22:59:02 +01:00
Andreas Mueller 59b5602346 DOC more accurate comment in class weight computation 2013-01-12 18:37:08 +01:00
Andreas Mueller 1c1538af87 ENH move utility function into dedicated file, not __init__.py 2013-01-03 13:28:10 +01:00