Andreas Mueller
9bc4de8dae
some fixes for sphinx and in examples
2015-03-02 12:50:53 -05:00
Andreas Mueller
cd5166e82f
make check_array convert object to float.
...
fix dtype check, add test. unfriend all multi-output estimators on facebook.
try to fix what is happening to y (by doing nothing to y)
make test work...
Make everything accept object y or say "invalid label"
fix multioutput linear models
add test for sensible error message.
2015-02-15 12:13:41 -05:00
Raghav R V
b3fbccca38
FIX various mismatch between docstring and signature params
...
DOC max_iterations -> max_iter. Make it consistent with kmeans
MAINT Replace the deprecated dx parameter with d in the docstrings
MAINT Deprecation warning for max_iterations parameter.
2015-01-16 11:54:57 -05:00
trevorstephens
7c50e6c8eb
various docstring fixes for web docs
2014-11-30 17:59:42 -08:00
Alexandre Gramfort
6744be298a
Merge pull request #3646 from s8wu/multinomial_newtoncg
...
[MRG+2] Multinomial newtoncg
2014-10-16 09:04:18 +02:00
swu
d826dec54c
Modify shape check on coef matrix in _logistic_regression_path.
2014-10-09 21:28:10 -04:00
swu
c3b0a692d6
Wrap _multinomial_loss_grad in lambda function for passing into lbfgs.
2014-10-05 21:31:24 -04:00
swu
f8473aff51
Reformatted docstrings in multinomial functions. Refactored multinomial
...
functions to avoid duplicating code.
2014-10-05 19:59:31 -04:00
swu
e7baa77d5a
Minor doc and formatting changes.
2014-09-25 22:13:36 -04:00
swu
c7a002aba6
Update whats_new.rst. Add contact information to logistic.py.
2014-09-21 12:26:00 -04:00
swu
862d82111e
Modified hessp function in _multinomial_loss_grad_hess to compute r_yhat
...
in place.
Simplied conditional statements that branches based on solver +
multi_class input combinations.
Extended tests on multinomial LogisticRegression to include newton-cg
solver case.
Updated doc string of LogisticRegression to include newton-cg solver in
multinomial case.
2014-09-20 15:11:31 -04:00
MechCoder
74857521ac
FIX: Make sure LogRegCV with solver=liblinear works with sparse matrices
2014-09-18 19:00:19 +02:00
swu
1ec01ea01b
Modified parameter description in docstring of
...
_multinomial_loss_grad_hess.
2014-09-10 19:30:53 -04:00
swu
cdfa0ce73c
Removed some unnecessary lines and reformatted for consistency in _multinomial_loss and _multinomial_loss_grad_hess.
2014-09-08 22:32:38 -04:00
swu
3e2ce556bb
Merge remote-tracking branch 'upstream/master' into multinomial_newtoncg
2014-09-06 18:31:35 -04:00
swu
f41352c861
Fixing more pep8 errors.
2014-09-06 14:37:30 -04:00
MechCoder
891839cd8d
DOC: Explain prediction when decision_function is zero
...
LogisticRegression and liblinear's predictions differ when the
decision function is zero. Explain why and what to do in that case.
Fixes #3600 (by documenting the won't fix status).
2014-09-05 13:46:44 +02:00
swu
2c25322708
Fixing docstring on _multinomial_loss.
2014-09-01 21:15:41 -04:00
swu
8559fbcd47
Fixed pep8 errors. Added docstring for _multinomial_loss.
2014-09-01 21:09:49 -04:00
swu
273fdc0f6c
Add comments to _multinomial_loss_grad_hess function.
2014-09-01 12:56:49 -04:00
swu
6641781e1d
Adding newton-cg solver for multinomial case.
2014-09-01 11:58:09 -04:00
MechCoder
a7ccbb8096
MAINT: Made the following changes
...
1. Use a single loop for both ovr and multinomial conditions
2. Better warning messages for penalty and loss conditions
3. Convergence warnings print only if verbose > 0
4. Used check_X_y instead of check_X
2014-08-30 12:26:40 +02:00
MechCoder
34a4517983
ENH: Improved verbosity and denesting
2014-08-26 20:48:23 +02:00
MechCoder
959a4ac698
MAINT: Remove BaseLibLinear for LogisticRegression
2014-08-26 13:58:07 +02:00
MechCoder
55602361c1
DOC: Changed docstring style for optional arguments
2014-08-21 17:37:38 +02:00
MechCoder
a92cd805af
FIX: PEP8 Errors and unused imports
2014-08-21 17:37:38 +02:00
MechCoder
d80ef50b11
DOC: Improved documentation and error messages
2014-08-21 17:37:38 +02:00
MechCoder
89226b69b4
COSMIT: Made the following changes
...
1. Removed true from 'true multinomial loss'
2. Replaced OvA with OvR
3. Update whatsnew.rst
2014-08-21 17:37:38 +02:00
MechCoder
b2e0e6e982
TST: Tests for multinomial logistic regression
2014-08-21 17:37:38 +02:00
MechCoder
4e7912756b
COSMIT: Minor doc fixes
2014-08-21 17:37:37 +02:00
MechCoder
6b5b9e3eed
ENH: Added multinomial option to LogisticRegressionCV
2014-08-21 17:37:37 +02:00
MechCoder
4cd177758f
ENH: Merge MultinomialLR into LR with multi_class='multinomial'
2014-08-21 17:37:37 +02:00
MechCoder
5483cb2e87
FIX: Change alpha to 1./c
2014-08-21 17:37:37 +02:00
MechCoder
d5ceb89ed5
ENH: Add support for class weights
2014-08-21 17:37:37 +02:00
Lars Buitinck
13ca2b2859
ENH multinomial logistic regression using L-BFGS
2014-08-21 17:37:37 +02:00
Joel Nothman
1491c1cd06
DOC remove backticks from around attribute name + PEP8
2014-08-02 20:19:08 +10:00
jnothman
e1891d801b
Merge pull request #3489 from jnothman/attributes-doc
...
[MRG] DOC fix formatting of Attributes sections in documentation
2014-08-02 20:14:53 +10:00
MechCoder
ad5773cfca
TST: Added test to check ConvergenceWarning
2014-08-01 12:15:57 +02:00
MechCoder
c8c72fd96e
ENH: Return n_iter_ from liblinear and print convergence warnings
2014-08-01 12:15:57 +02:00
Joel Nothman
b3bdb08964
DOC fix formatting of attributes etc. in docstrings
2014-07-28 19:04:59 +10:00
MechCoder
5e028a9928
Improve docstring of the LogRegCV model
2014-07-23 17:32:56 +02:00
MechCoder
4de4849e8a
FIX: Fixes for the cross_validation failure
2014-07-23 13:24:41 +02:00
MechCoder
67585f6e6f
MAINT: Improve documentation and coverage
2014-07-22 17:28:16 +02:00
MechCoder
a52174b22c
FIX: Changes due to recent refactoring of the check functions
2014-07-22 16:57:41 +02:00
MechCoder
c8540df986
FIX: Add DataConversionWarning
2014-07-22 16:57:41 +02:00
MechCoder
f7db8cdf8f
FIX: Liblinear solver for LogisticRegressionCV now works for class_weight==auto
2014-07-22 16:57:41 +02:00
MechCoder
0634ddf500
FIX: Class weights are computed for each OvA
2014-07-22 16:57:41 +02:00
MechCoder
8eb3d30ea8
COSMIT: Utils imports are together
2014-07-22 16:57:41 +02:00
MechCoder
21a14fd82d
FIX: Changed tolerance of newton-cg to be compliant with that of lbfgs
2014-07-22 16:57:41 +02:00
MechCoder
86dab1ea86
ENH: Added warnings for convergence, added support for l1 penalty if solver is liblinear
2014-07-22 16:57:41 +02:00