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56 Commits

Author SHA1 Message Date
Jérémie du Boisberranger c4983148f3
MNT Finalize the change of the default `init` of NMF (#21500) 
Co-authored-by: Olivier Grisel <olivier.grisel@ensta.org>
 2021-10-30 16:20:47 +02:00
Dimitri Papadopoulos Orfanos d4d5f8c7e0
MAINT consistent use of `print(__doc__)` in examples (#21307) 
Co-authored-by: Guillaume Lemaitre <g.lemaitre58@gmail.com>
 2021-10-22 15:33:22 +02:00
Thomas J. Fan 70a185ae59
MAINT Enable and run black on examples (#20502) 2021-10-07 10:13:00 +02:00
Thomas J. Fan 81dde3a6e5
STY Ensures that "flake8 ." works (#20298) 2021-06-18 15:46:40 +02:00
Chiara Marmo 6bd8df099f DOC Fix warnings about references and links (#14976) 2019-09-23 11:49:08 -04:00
Sourav Singh f8e4cc495a ENH Add return_X_y to 20_newsgroups and olivetti_faces (#14259) 2019-07-20 10:30:09 +08:00
Guillaume Lemaitre 9328581ec5
FIX use CD solver in face decomposition to use postive parameter (#13975) 2019-05-29 15:05:02 +02:00
Guillaume Lemaitre a98db9a4d6
DEP change default and deprecate normalize_components in SparsePCA (#13838) 2019-05-29 12:06:50 +02:00
Adrin Jalali 69c8967e21 DOC Fix warnings in examples (#12654) 
Fixe or suppresses many warnings in examples, including matplotlib complaining about the non-gui backend.
 2019-01-17 21:41:13 +11:00
Ivan PANICO 6eb19831d1 BUG: centering and fixing scaling issue in SparsePCA (#11585) 2018-07-21 00:00:15 +02:00
jakirkham 6ce497c3bc [MRG] ENH: Optional positivity constraints on the dictionary and sparse code (#6374) 
* ENH: Add positivity option for code and dictionary

Provides an option for dictionary learning to positively constrain the
dictionary and the sparse code. This is useful in applications of
dictionary learning where the data is know to be positive (e.g. images),
but the sparsity constraint that dictionary learning has is better
suited for factorizing the data in contrast to other positively
constrained factorization techniques like NMF, which may not be
similarly sparse.

* TST: Test positivity with code and dictionary

Ensure that when the positivity constraint is applied that the
dictionary and code end up having only positive values in the respective
results depending on whether dictionary and/or code are positively
constrained.

* DOC: Positivity constraints dictionary learning

Shows the various positivity constraints on dictionary learning and what
the results of these look like using a Red to Blue color map. These are
included in the examples and also in the docs below dictionary learning.
All of these use the Olivetti faces as a training set.
 2018-06-21 16:36:48 +02:00
plagree 1f6ac72df7 [MRG] DOC examples with correct notebook style (#9061) 
* DOC examples with correct notebook style

* Modifications in examples/ to avoid unwanted notebook style

* Remove last notebook style example

* Space formatting to avoid notebook style
 2017-06-20 14:48:57 +02:00
Alexandre Abadie 29992d958f add explicit comment in face decomposition example 2016-09-19 14:27:07 +02:00
Alexandre Abadie 77d9c09ba9 fixing failing faces decomposition example 2016-09-19 10:55:05 +02:00
Alexandre Abadie 171b31d0b8 DOC fix deprecation warning in faces decomposition example 2016-09-17 21:53:45 +02:00
TomDLT ceeef70037 ENH refactor NMF and add CD solver 2015-09-21 11:42:07 +02:00
Rajat Khanduja 5e20b8c664 Fixed pep8 violations. Some 'line too long' errors still remain. 2014-05-15 09:23:16 +05:30
Rajat Khanduja 2244098532 Updated examples to use pyplot for plotting instead of pylab 
Some examples not updated because scripts throw error (probably not
because of the change)
 2014-05-15 02:18:07 +05:30
Andreas Mueller 26eb3c606f DOC/EXAMPLES fix more documentation errors, deprecated api usages. 2013-07-28 15:01:48 +02:00
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
Lars Buitinck 837093df7f P3K: use print as a function in the examples 
Also corrected some typos, including two people misspelling their own names :)
 2013-02-01 15:04:42 +01:00
Andreas Mueller 38b455d541 Cosmit pep8 2012-12-25 13:16:05 +01:00
Andreas Mueller 22b52eb124 COSMIT renaming chunk_size to batch_size in MiniBatchDictionaryLearning and MiniBatchSparsePCA 2012-12-16 15:45:34 +01:00
Immanuel Bayer ca8a8eb66a ENH renaming 'n_atoms' to 'n_components' for consistency 2012-11-04 10:01:13 +00:00
osdf 7f8c087acd Two iterations are enough for the test. 2012-10-13 19:29:02 +02:00
osdf eac061b845 Plot noise variance for FA. Changed some things to make plot_gallery usable for this, too. 2012-10-13 19:29:01 +02:00
osdf f881485372 Extended faces decomposition example with Factor Analysis. 2012-10-13 19:29:01 +02:00
Andreas Mueller de7eb723dc FIX faces_decomposition example. That this broke only now is a sign of deep magic, better left unexplored. 2012-06-04 22:27:34 +02:00
Andreas Mueller 2e084358f3 FIX typo in example. My bad. 2012-06-02 18:37:02 +02:00
Andreas Mueller d9a6243c98 ENH rename k in clustering examples and doctests to n_clusters 2012-05-30 07:41:34 +02:00
Olivier Grisel 1b0b500722 Fix bad reference to LFW in example 2012-04-01 19:05:56 +02:00
Olivier Grisel 2c496e7765 MiniBatchSparsePCA and MiniBatchDictionaryLearning still use chunk_size as argument 2012-03-03 18:53:45 +01:00
Andreas Mueller 61b0e28f9f MISC removed deprecated api from examples 2012-03-03 18:30:02 +01:00
Andreas Mueller dc74f817a8 DOC Insert hidden toctree, mv "included" files from rst to txt 2012-02-17 22:33:53 +01:00
Alexandre Gramfort 3f330f2967 STY : pep8 2011-12-20 15:34:17 +01:00
Vlad Niculae bb03e8a85e Adapted examples for alpha scaling 2011-12-20 11:17:38 +01:00
vene d56281e00b explicit seeding of olivetti faces loader 2011-09-19 14:19:24 +03:00
vene 36b81e53f5 Stabilized and improved face decomposition example 2011-09-19 13:51:23 +03:00
vene 2121bfcabc tweaked faces decomposition and added to dict learning docs 2011-09-17 20:20:58 +03:00
vene 84b8c67336 layout 2011-09-17 19:36:50 +03:00
vene 167f34080e renamed MiniBatchDictionaryLearning 2011-09-17 18:55:16 +03:00
vene dd30699639 Included dictionary learning online in decomp example 2011-09-12 19:44:29 +03:00
Olivier Grisel 78dd8b5626 batch trailing spaces cleanup 2011-09-06 23:12:26 +02:00
Fabian Pedregosa ddf4b72109 Move project directory from scikits.learn to sklearn 2011-09-02 12:06:57 +02:00
Fabian Pedregosa 68f27e3790 Revert "Move project directory from scikits.learn to sklearn" 
This reverts commit fd0d3b879d.
 2011-09-02 12:03:18 +02:00
Fabian Pedregosa fd0d3b879d Move project directory from scikits.learn to sklearn 2011-09-02 11:38:24 +02:00
Gael varoquaux 65a2d4a46d COSMIT: doc and examples in decomposition 2011-08-12 08:30:29 +02:00
vene 872971e43b add refs to example 2011-08-12 07:48:03 +02:00
Gael varoquaux 82b423cc0e MISC: prettify the faces example 2011-08-12 07:48:03 +02:00
vene 06bdd21dd0 prettify face decomposition example (ft. GaelVaroquaux) 2011-08-12 07:48:03 +02:00