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409 Commits

Author SHA1 Message Date
Tianqi Chen
df38f251be Fix warnings from g++5 or higher (#1510) 2016-08-26 16:14:10 -07:00
Vadim Khotilovich
75f401481f no exception throwing within omp parallel; set nthread in Learner (#1421) 2016-07-29 10:08:03 -07:00
Shengwen Yang
7089301b62 Metrics for gamma regression (#1369) 
* Add deviance metric for gamma regression

* Simplify the computation of nloglik for gamma regression

* Add a description for gamma-deviance

* Minor fix
 2016-07-18 09:10:44 -05:00
anpark
0e61c514a7 fix duplicate loop over output_group when predict (#1342) 
* fix sparse page source meta info empty when load from dmatrix

* fix duplicate loop over output_group when predict
 2016-07-13 10:03:10 -07:00
anpark
3f32b3f0eb fix sparse page source meta info empty when load from dmatrix (#1336) 2016-07-07 21:17:35 -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
RAMitchell
93196eb811 cmake build system (#1314) 
* Changed c api to compile under MSVC

* Include functional.h header for MSVC

* Add cmake build
 2016-07-02 19:07:35 -07:00
Frank
3b73824842 Fix ambiguous call to abs(c or c++). (#1308) 2016-06-29 14:28:28 -07:00
Yoshinori Nakano
7cfeb5f012 fix Dart::NormalizeTrees (#1265) 2016-06-09 15:28:24 -07:00
Yoshinori Nakano
949d1e3027 add Dart booster (#1220) 2016-06-08 14:04:01 -07:00
Shengwen Yang
e034fdf74c Fix issue #1236: cli_main crashes when dumping count:poisson model (#1253) 2016-06-07 21:52:47 -07:00
Vadim Khotilovich
9a48a40cf1 Fixes for multiple and default metric (#1239) 
* fix multiple evaluation metrics

* create DefaultEvalMetric only when really necessary

* py test for #1239

* make travis happy
 2016-06-04 22:17:35 -07:00
Zhongliang Li
1dde863c98 fix cli_main crashes when using count:poisson regression 2016-05-26 10:03:29 -07:00
yuanbowen
5898f1c59e [DATA] fix instance weights loading 2016-05-23 18:40:41 +08:00
Nan Zhu
c85b9012c6 [jvm-packages] xgboost4j-spark external memory (#1219) 
* implement external memory support for XGBoost4J

* remove extra space

* enable external memory for prediction

* update doc
 2016-05-22 14:01:28 -04:00
tqchen
d816208797 [DATA] fix async data writing 2016-05-21 18:46:36 -07:00
Vadim Khotilovich
185fef3fce fixes for lint 2016-05-15 02:35:37 -05:00
Vadim Khotilovich
ea9285dd4f methods to delete an attribute and get names of available attributes 2016-05-14 18:19:18 -05:00
Vadim Khotilovich
24e3c5773e Merge branch 'master' into seed_in_configure 2016-04-26 22:47:01 -05:00
Vadim Khotilovich
811c6ef58b obey the lint 2016-04-26 22:11:19 -05:00
Vadim Khotilovich
3e0732dea9 in Configure, set random seed only for uninitialized model 2016-04-26 02:03:22 -05:00
Vadim Khotilovich
0527b17c9d avoid collecting duplicate parameters in Booster::cfg_ 2016-04-25 22:08:53 -05:00
Vadim Khotilovich
1160d0bf25 ability to specify threshold for the error metric 2016-04-25 01:29:04 -05:00
Wojciech Migda
6a5eb47789 XGBoosterCreate api unified to use const DMatrix[] argument 2016-03-26 19:42:58 +01:00
tqchen
a2714fe052 [METHOD], add tree method option to prefer faster algo 2016-03-13 12:24:47 -07:00
tqchen
59d59a968d Fix continue training in CLI 2016-03-10 19:39:09 -08:00
tqchen
ec2fb5bc48 Fix multi-class loading 2016-03-10 19:22:26 -08:00
tqchen
96b17971ac Fix continue training in CLI 2016-03-10 12:43:25 -08:00
tqchen
86871d4be9 [JVM] Add Iterator loading API 2016-03-04 17:37:46 -08:00
tqchen
0df2ed80c8 [JVM] Make JVM Serializable 2016-03-03 21:04:02 -08:00
tqchen
e80d3db64b [DIST] Enable multiple thread and tracker, make rabit and xgboost more thread-safe by using thread local variables. 2016-03-03 20:36:14 -08:00
tqchen
ecb3a271be [PYTHON-DIST] Distributed xgboost python training API. 2016-02-29 16:54:13 -08:00
tqchen
4a16b729fc [PYTHON] Simplify training logic, update rabit lib 2016-02-28 13:20:55 -08:00
tqchen
02e98e5d45 [CLI] Fix model save problem 2016-02-25 13:15:23 -08:00
Zheng RuiFeng
2c7c27e297 create mae 2016-02-24 11:15:31 +08:00
tqchen
413f119c7e Update dmlc-core 2016-02-10 13:11:21 -08:00
tqchen
63c4ad7617 [APPROX] Make global proposal default, add group ptr solution 2016-02-10 11:19:10 -08:00
tqchen
ce4d59ed69 [TREE] Enable global proposal for faster speed 2016-02-10 11:19:10 -08:00
tqchen
2f2080a337 [TREE] Remove gap constraint, make tree construction more robust 2016-02-10 11:17:54 -08:00
Ubuntu
c36195795a increase shard 2016-02-10 11:17:18 -08:00
Ubuntu
724eda2435 remove reserve for more aggressive memory generation 2016-02-10 11:17:18 -08:00
Ubuntu
46be6181b5 [DIST] fix distirbuted setting 2016-02-10 11:17:18 -08:00
tqchen
b27b51f60e [PLUGIN] Add densify parser 2016-02-10 11:17:18 -08:00
tqchen
a500fbc9b0 [TREE] switch to two pass 2016-02-10 11:17:17 -08:00
tqchen
523afcbcd2 [TREE] Cleanup some functions, add utility function for two pass 2016-02-10 11:17:17 -08:00
tqchen
52227a8920 [TREE] Refactor histmaker 2016-02-10 11:17:17 -08:00
tqchen
468bc7725a [METRIC] change metric accumulator to double 2016-02-10 11:17:17 -08:00
tqchen
88447ca32e [MEM] Add rowset struct to save memory with billion level rows 2016-02-10 11:17:17 -08:00
tqchen
2230f1273f [DISK] Add shard option to disk 2016-02-10 11:17:17 -08:00
samuel-liyi
d3540aacc5 change the formula of fsplit value 2016-02-08 15:00:04 +08:00