Hanmin Qin
afe0a9b70d
MNT skip test falling on master in legacy platforms ( #12382 )
2018-10-16 07:57:12 +11:00
98357ec4d4
FIX (0.21) make count_nonzero dtype invariant wrt axis ( #12341 )
2018-10-14 21:12:02 +08:00
5718466bb5
[MRG] ENH: Ignore NaNs in StandardScaler and scale ( #11206 )
2018-06-21 15:48:38 +02:00
b9f3758dfd
MAINT add function to ignore nan in min/max sparse functions ( #11196 )
2018-06-07 06:57:30 +10:00
d551227d97
ENH Add 64 bit indices support in csr_row_norms and inplace L2/L1 csr norm ( #9663 )
2017-09-05 18:35:44 +10:00
78a674875e
Correct the deprecation of the random_integers numpy function. ( #6712 )
2016-04-26 16:08:48 +02:00
28758cc5eb
[MRG+2] Use fused types in sparse mean variance functions ( #6593 )
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* Use fused types in mean variance functions
* Add test for mean-variance functions using fused trpes
* Add whats_new
2016-04-16 11:16:05 -04:00
e34bbc1002
Use fused type in inplace normalize
2016-03-26 10:38:17 +08:00
42d49c8c14
Make assign_rows_csr support Cython fused types
2016-03-25 00:25:36 +08:00
0485ada58b
General spelling fixes
2015-12-16 09:46:42 -08:00
6a5a2f7960
partial_fit for scalers
2015-10-13 11:37:00 +02:00
cec3bf98f2
FIX assign_rows_csr: should not zero the entire out array
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Fixes #4985 .
2015-07-31 10:59:23 +02:00
cd2ee7e454
MAINT docstring --> comments to prevent nose from using doc in verbose mode
2015-03-21 11:16:49 +05:30
2daa0289ef
Renamed csc_row_median to csc_median_axis_0
2014-10-21 09:21:30 +02:00
91450c6960
FIX: Wrap csc_row_median around the _get_median imputer function
2014-10-21 09:21:30 +02:00
6f41bd1c88
ENH: Patches Nearest Centroid for metric=manhattan for sparse and dense data
2014-10-21 09:21:30 +02:00
52adb5cae7
ENH Add 'axis' argument to sparsefuncs.mean_variance_axis
2014-09-03 13:47:48 +02:00
0e31553de5
ENH Sparse multilabel target support
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All multilabel metric calculation is now performed efficiently over
sparse CSR matrices.
2014-07-30 22:13:11 +10:00
c9789c7edf
COSMIT clean up tests with pyflakes
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test_ridge.py contained two duplicate functions.
2014-07-22 16:10:16 +02:00
325e998fcc
Extend utils.sparsefuncs: inplace scale and axis min/max
2014-05-18 20:03:37 +10:00
5d47cfcbcb
Improved formatting of unsupported sparse matrices in swapping
2014-05-10 11:37:53 +05:30
fc634f95f2
Made the following changes
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1. Minor changes to docs
2. Replaced swap with inplace_swap
2014-04-30 23:27:26 +05:30
924db9b07e
Made the following changes
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a] Replaced numpy slicing with concatanate
b] Added swap_sparse_column
2014-04-24 20:58:11 +05:30
5119d68982
ENH: Swap rows in sparsefuncs
2014-04-24 17:19:09 +05:30
627c564fae
TST: Fix ValueError: Buffer dtype mismatch, expected 'npy_intp' but got 'long' on win-amd64
2014-03-30 11:53:02 +02:00
22c412d357
TST: Added tests for non-CSR/CSR format
2014-03-27 15:03:31 +05:30
bbb8f1d1bf
Moved sparsefuncs to sparsefuncs_fast
2014-03-27 13:20:45 +05:30
8cf30f1089
ENH: Optimise sparsefuncs
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a] Removed numpy overhead in finding mean
b] Removed enumerate
c] Added tests to test_sparsefuncs
d] Replaced multiple looping with a single loop
2014-03-27 11:56:20 +05:30
b37791bab9
ENH cut MiniBatchKMeans memory usage in half for large n_clusters
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Also, changed logging message to reflect the (public) class that is logging,
not the (private) function.
New Cython code lives in utils.sparsefuncs, because it may prove more
generally useful.
2013-03-13 15:23:50 +01:00
e47039d71a
Fix warning.
2012-05-21 12:58:32 +09:00
f6729848c4
Unused import.
2012-05-21 12:55:34 +09:00
4842ebb16b
Unified access to 'mean_variance_axis0' for CSC and CSR matrices
2012-05-16 07:58:02 +02:00
c2c35da51c
Made code pep compliant
2012-05-16 07:57:55 +02:00
95ba957556
Corrected missing import of csc_mean_variance_axis0
2012-05-16 07:57:53 +02:00
3a6e490e05
COSMIT pep8
2011-12-23 19:12:52 +01:00
ac1c9aaddb
Test edge case.
2011-12-19 17:20:26 +01:00
0d927f00ea
Cosmit.
2011-12-19 17:18:19 +01:00
8311b1bbd8
Fix bug with sparse matrices.
2011-12-19 16:28:53 +01:00
64adbcaddd
Implement mean_variance_axis0.
2011-12-19 16:28:21 +01:00
Hanmin Qin
Joel Nothman