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68 Commits

Author SHA1 Message Date
Jiaming Yuan
778135f657
Fix parameter loading with training continuation. (#7121) 
* Add a demo for training continuation.
 2021-07-23 10:51:47 +08:00
Jiaming Yuan
e6088366df
Export Python Interface for external memory. (#7070) 
* Add Python iterator interface.
* Add tests.
* Add demo.
* Add documents.
* Handle empty dataset.
 2021-07-22 15:15:53 +08:00
Jiaming Yuan
663136aa08
Implement feature score for linear model. (#7048) 
* Add feature score support for linear model.
* Port R interface to the new implementation.
* Add linear model support in Python.

Co-authored-by: Philip Hyunsu Cho <chohyu01@cs.washington.edu>
 2021-06-25 14:34:02 +08:00
Jiaming Yuan
5c87c2bba8
Update demo for prediction. (#6789) 
* Remove use of deprecated ntree_limit.
* Add sklearn demo.
 2021-03-27 03:09:25 +08:00
MBSMachineLearning
95cbfad990
"featue_map" typo changed to "feature_map" (#6540) 2020-12-21 22:11:11 +08:00
Jiaming Yuan
c90f968d92
Update Python documents. (#6376) 2020-11-12 17:51:32 +08:00
Jiaming Yuan
81c37c28d5
Time the CPU tests on Jenkins. (#6257) 
* Time the CPU tests on Jenkins.
* Reduce thread contention.
* Add doc.
* Skip heavy tests on ARM.
 2020-10-20 17:19:07 -07:00
Jiaming Yuan
ab5b35134f
Rework Python callback functions. (#6199) 
* Define a new callback interface for Python.
* Deprecate the old callbacks.
* Enable early stopping on dask.
 2020-10-10 17:52:36 +08:00
Christian Lorentzen
cf4f019ed6
[Breaking] Change default evaluation metric for classification to logloss / mlogloss (#6183) 
* Change DefaultEvalMetric of classification from error to logloss

* Change default binary metric in plugin/example/custom_obj.cc

* Set old error metric in python tests

* Set old error metric in R tests

* Fix missed eval metrics and typos in R tests

* Fix setting eval_metric twice in R tests

* Add warning for empty eval_metric for classification

* Fix Dask tests

Co-authored-by: Hyunsu Cho <chohyu01@cs.washington.edu>
 2020-10-02 12:06:47 -07:00
John Quitto-Graham
e0e4f15d0e
Fix a comment in demo to use correct reference (#6190) 
Co-authored-by: John Quitto Graham <johnq@dgx07.aselab.nvidia.com>
 2020-10-01 13:16:04 -07:00
Jiaming Yuan
b5f52f0b1b
Validate weights are positive values. (#6115) 2020-09-15 09:03:55 +08:00
Daniel Steinberg
68c55a37d9
Add cache name back to external_memory.py files. (#6088) 2020-09-06 16:01:09 +08:00
Jiaming Yuan
4d99c58a5f
Feature weights (#5962) 2020-08-18 19:55:41 +08:00
Jiaming Yuan
9c93531709
Update Python custom objective demo. (#5981) 2020-08-05 12:27:19 +08:00
Jiaming Yuan
18349a7ccf
[Breaking] Fix custom metric for multi output. (#5954) 
* Set output margin to true for custom metric.  This fixes only R and Python.
 2020-07-29 19:25:27 +08:00
Jiaming Yuan
a3ec964346
Accept iterator in device dmatrix. (#5783) 
* Remove Device DMatrix.
 2020-07-07 21:44:48 +08:00
Jiaming Yuan
5af8161a1a
Implement Python data handler. (#5689) 
* Define data handlers for DMatrix.
* Throw ValueError in scikit learn interface.
 2020-05-22 11:53:55 +08:00
Jiaming Yuan
2c1a439869
Update Python demos with tests. (#5651) 
* Remove GPU memory usage demo.
* Add tests for demos.
* Remove `silent`.
* Remove shebang as it's not portable.
 2020-05-12 12:04:42 +08:00
Jiaming Yuan
9c1103e06c
[Breaking] Set output margin to True for custom objective. (#5564) 
* Set output margin to True for custom objective in Python and R.

* Add a demo for writing multi-class custom objective function.

* Run tests on selected demos.
 2020-04-20 20:44:12 +08:00
Nicolas Scozzaro
04f69b43e6
fix typo "customized" (#5515) 2020-04-12 14:43:48 +08:00
Jiaming Yuan
0202e04a8e
Add base margin to sklearn interface. (#5151) 2019-12-24 09:43:41 +08:00
Jiaming Yuan
5b2f805e74
Doc and demo for customized metric and obj. (#4598) 
Co-Authored-By: Theodore Vasiloudis <theodoros.vasiloudis@gmail.com>
 2019-06-26 16:13:12 +08:00
Sergei Chipiga
8dac0d1009 Fix typo in python demo (#3676) 2018-09-06 14:56:21 -07:00
Philip Hyunsu Cho
983cb0b374
Add option to disable default metric (#3606) 2018-08-18 11:39:20 -07:00
Philip Hyunsu Cho
ac7fc1306b
Fix #3598: document that custom objective can't contain colon (:) (#3601) 2018-08-16 19:05:40 -07:00
zhaocc
8fb3388af2 fix typo (#3188) 2018-03-21 19:24:29 -04:00
Peter M. Landwehr
86bf930497 Fix typo: cutomize -> customize (#3073) 2018-02-04 22:56:04 +01:00
LevineHuang
91af8f7106 Minor edits to coding style (#2835) 
* Some minor changes to the code style

Some minor changes to the code style in file basic_walkthrough.py

* coding style changes

* coding style changes arrcording PEP8

* Update basic_walkthrough.py
 2017-10-26 22:12:54 -05:00
LevineHuang
c71b62d48d Minor changes to code style (#2805) 
Some minor changes to code style in file 'boost_from_prediction.py'.
 2017-10-23 10:46:45 -05:00
Yang Zhang
48835c3a4e Update predict leaf indices (#2135) 
* Updated sklearn_parallel.py for soon-to-be-deprecated modules

* Updated predict_leaf_indices.py; Use python3 print() as other exmaples and removed unused module
 2017-03-22 19:12:34 -07:00
Yang Zhang
cc012dac68 Updated sklearn_parallel.py for soon-to-be-deprecated modules (#2134) 2017-03-22 16:18:15 -05:00
Yang Zhang
f6f5003f79 Updated sklearn_examples.py for soon-to-be-deprecated modules (#2117) 2017-03-21 20:07:27 -07:00
Icyblade Dai
301540f1d9 fix DeprecationWarning on sklearn.cross_validation (#2075) 
* fix DeprecationWarning on sklearn.cross_validation

* fix syntax

* fix kfold n_split issue

* fix mistype

* fix n_splits multiple value issue

* split should pass a iterable

* use np.arange instead of xrange, py3 compatibility
 2017-03-17 08:38:22 -05:00
Muneyuki Noguchi
8b827425b2 Fix comment in cross_validation.py (#1923) 
cv() doesn't output std_value because show_stdv is set to False.
 2017-01-02 09:40:41 -05:00
AbdealiJK
6f16f0ef58 Use bst_float consistently throughout (#1824) 
* Fix various typos

* Add override to functions that are overridden

gcc gives warnings about functions that are being overridden by not
being marked as oveirridden. This fixes it.

* Use bst_float consistently

Use bst_float for all the variables that involve weight,
leaf value, gradient, hessian, gain, loss_chg, predictions,
base_margin, feature values.

In some cases, when due to additions and so on the value can
take a larger value, double is used.

This ensures that type conversions are minimal and reduces loss of
precision.
 2016-11-30 10:02:10 -08:00
闻波
669a387c99 fix a typo and some code format (#1470) 
* fix a typo

* fix a typo and some code format
 2016-08-18 12:41:18 -07:00
Shengwen Yang
77d17f6264 Add support for Gamma regression (#1258) 
* Add support for Gamma regression

* Use base_score to replace the lp_bias

* Remove the lp_bias config block

* Add a demo for running gamma regression in Python

* Typo fix

* Revise the description for objective

* Add a script to generate the autoclaims dataset
 2016-07-06 10:22:46 -07:00
tqchen
149589c583 [PYTHON] Refactor trainnig API to use callback 2016-05-19 21:31:23 -07:00
王煜杰
d52d0ee9ed cause this code test pickle the booster, so change bst2 -> bst3 2016-02-25 14:49:33 +08:00
tqchen
d75e3ed05d [LIBXGBOOST] pass demo running. 2016-01-16 10:24:01 -08:00
Johan Manders
edf4595bc1 Added evals result demos 2015-10-14 13:45:59 +02:00
Johan Manders
f1e1cc28ff Access xgboost eval metrics by using sklearn 2015-10-14 13:43:14 +02:00
Johan Manders
122ec48a89 Update evals_result.py 2015-10-14 13:40:20 +02:00
Johan Manders
6e2bdcbbbc Demo for accessing eval metrics in xgboost 2015-10-14 13:22:39 +02:00
John Wittenauer
7a3676851d Cleaned up guide-python directory. 2015-08-13 20:32:47 -04:00
tqchen
e8de5da3a5 Document refactor 
change badge
 2015-08-02 19:01:38 -07:00
tqchen
c2fec29bfa python package refactor into python-package 2015-07-30 22:04:45 -07:00
Skipper Seabold
4a37b852a0 DOC: Add early stopping example 2015-07-08 13:55:47 -05:00
tqchen
91a5390929 checkin copy 2015-05-17 21:29:51 -07:00
tqchen
e6b8b23a2c allow booster to be pickable, add copy function 2015-05-16 12:59:55 -07:00