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435 Commits

Author SHA1 Message Date
Vadim Khotilovich
b21e658a02 [R-package] JSON dump format and a couple of bugfixes (#1855) 
* [R-package] JSON tree dump interface

* [R-package] precision bugfix in xgb.attributes

* [R-package] bugfix for cb.early.stop called from xgb.cv

* [R-package] a bit more clarity on labels checking in xgb.cv

* [R-package] test JSON dump for gblinear as well

* whitespace lint
 2016-12-11 19:48:39 +01:00
Vadim Khotilovich
a44032d095 [CORE] The update process for a tree model, and its application to feature importance (#1670) 
* [CORE] allow updating trees in an existing model

* [CORE] in refresh updater, allow keeping old leaf values and update stats only

* [R-package] xgb.train mod to allow updating trees in an existing model

* [R-package] added check for nrounds when is_update

* [CORE] merge parameter declaration changes; unify their code style

* [CORE] move the update-process trees initialization to Configure; rename default process_type to 'default'; fix the trees and trees_to_update sizes comparison check

* [R-package] unit tests for the update process type

* [DOC] documentation for process_type parameter; improved docs for updater, Gamma and Tweedie; added some parameter aliases; metrics indentation and some were non-documented

* fix my sloppy merge conflict resolutions

* [CORE] add a TreeProcessType enum

* whitespace fix
 2016-12-04 09:33:52 -08:00
Tong He
2f3958a455 Fix for CRAN Submission (#1826) 
* fix cran check

* change required R version because of utils::globalVariables

* temporary commit, monotone not working

* fix test

* fix doc

* fix doc

* fix cran note and warning

* improve checks

* fix urls
 2016-12-02 20:19:03 -08:00
Simon DENEL
58aa1129ea Fixing a few typos (#1771) 
* Fixing a few typos

* Fixing a few typos
 2016-11-13 15:47:52 -08:00
Luckick
0ccb9b87d0 Typo Problem (#1759) 
cross validation
 2016-11-10 13:55:09 -08:00
Vadim Khotilovich
f9648ac320 [R-package] store numeric attributes with higher precision (#1628) 2016-10-03 11:01:17 -07:00
Vadim Khotilovich
693ddb860e More robust DMatrix creation from a sparse matrix (#1606) 
* [CORE] DMatrix from sparse w/ explicit #col #row; safer arg types

* [python-package] c-api change for _init_from_csr _init_from_csc

* fix spaces

* [R-package] adopt the new XGDMatrixCreateFromCSCEx interface

* [CORE] redirect old sparse creators to new ones
 2016-09-25 10:01:22 -07:00
Tong He
4733357278 [R] Monotonic Constraints in Tree Construction (#1557) 
* fix cran check

* change required R version because of utils::globalVariables

* temporary commit, monotone not working

* fix test

* fix doc

* fix doc
 2016-09-11 22:16:33 -07:00
Tong He
170b349f3e Fix the "No visible binding" CRAN checks (#1504) 
* fix cran check

* change required R version because of utils::globalVariables
 2016-08-26 10:24:04 -07:00
Vadim Khotilovich
bdfa8c0e09 [R-package] a few fixes for R (#1485) 
* [R] fix #1465

* [R] add sanity check to fix #1434

* [R] some clean-ups for custom obj&eval; require maximize only for early stopping
 2016-08-20 05:09:03 -05:00
Baltazar Bieniek
89c4f67f59 Class function returns more than one value (#1417) 
Fix to a bug when the class function returns more than one value. In that case, the code will fail.
 2016-07-29 10:07:09 -07:00
Vadim Khotilovich
d5c143367d [R-package] GPL2 dependency reduction and some fixes (#1401) 
* [R] do not remove zero coefficients from gblinear dump

* [R] switch from stringr to stringi

* fix #1399

* [R] separate ggplot backend, add base r graphics, cleanup, more plots, tests

* add missing include in amalgamation - fixes building R package in linux

* add forgotten file

* [R] fix DESCRIPTION

* [R] fix travis check issue and some cleanup
 2016-07-27 00:05:04 -07:00
Vadim Khotilovich
11efa038bd [R-package] various fixes for R CMD check (#1328) 
* [R] fix xgb.create.features

* [R] fixes for R CMD check
 2016-07-04 10:40:35 -07:00
Vadim Khotilovich
e9eb34fabc [R] parameter style consistency 2016-06-27 01:58:03 -05:00
Vadim Khotilovich
56bd442b31 [R] simplified the code; parameter style consistency 2016-06-27 01:57:57 -05:00
Vadim Khotilovich
8473b18c3d [R] consolidate importFrom-s; parameter style 2016-06-27 01:50:03 -05:00
Vadim Khotilovich
b9aeeda074 [R] in predict: doc, examples, reshape parameter 2016-06-27 01:49:57 -05:00
Vadim Khotilovich
c342614a81 [R] add parameter deprecation related utilities; code style 2016-06-27 01:49:51 -05:00
Vadim Khotilovich
76650c096f [R] CB naming change; cv-prediction as CB; add.cb function to ensure proper CB order; docs; minor fixes + changes 2016-06-27 01:49:47 -05:00
Vadim Khotilovich
79704cdfb4 print.xgb.cv fix 2016-06-09 09:29:19 -05:00
Vadim Khotilovich
422b0000a8 R-callbacks refactor 2016-06-09 02:46:13 -05:00
Vadim Khotilovich
754f3a6e07 protection against returning 0-length vector 2016-06-09 02:45:02 -05:00
Vadim Khotilovich
bdf14007b5 print method; construct from initial xgb.Booster 2016-06-09 02:43:25 -05:00
Vadim Khotilovich
611b317057 make travis happy 2016-05-17 00:24:06 -05:00
Vadim Khotilovich
2b8b18583f some more xgb.model.dt.tree improvements 2016-05-17 00:24:06 -05:00
Vadim Khotilovich
be65949ba2 xgb.model.dt.tree up to x100 faster 2016-05-17 00:24:06 -05:00
Vadim Khotilovich
8664217a5a [R] more attribute handling functionality 2016-05-14 18:19:18 -05:00
Vadim Khotilovich
5a78118396 use short-circuiting scalar && 2016-05-02 01:01:22 -05:00
Vadim Khotilovich
79c7c9e5bb R accessors for model attributes 2016-05-02 00:20:44 -05:00
Vadim Khotilovich
33131e2e13 make travis happy 2016-03-27 20:28:40 -05:00
Vadim Khotilovich
fb5291271e fix print.xgb.DMatrix doc 2016-03-27 19:42:26 -05:00
Vadim Khotilovich
71f402ac16 convert S4 to S3; add some extra methods to DMatrix 2016-03-27 19:22:22 -05:00
Vadim Khotilovich
d27bfb61b0 consolidated DMatrix&Booster stuff into xgb.DMatrix.R & xgb.Booster.R 2016-03-27 19:17:13 -05:00
Florian
2443cb9ca8 Fix CV which was monitoring train-metric 
https://github.com/dmlc/xgboost/issues/807
 2016-02-15 12:00:35 +01:00
Ganesh
6ba53329e5 Fixed off by 1 bug in xgb.cv 2016-01-07 22:20:21 -08:00
Derek Damron
8756d5b160 Add newline char to early.stop.round message 2016-01-04 20:36:32 -08:00
Derek Damron
cd0099f2a1 Add newline char to early.stop.round message 2016-01-04 20:35:57 -08:00
Yuan (Terry) Tang
39751f8786 Merge pull request #668 from DexGroves/add-metadata 
Expose model parameters to R
 2015-12-16 15:55:54 -06:00
Michaël Benesty
1b07f86eb8 wording fix 2015-12-10 11:33:40 +01:00
Michaël Benesty
b2e68b8dc7 New documentation rewording 2015-12-09 18:26:56 +01:00
Michaël Benesty
fbf2707561 Wording improvement 2015-12-08 18:18:51 +01:00
pommedeterresautee
855be97011 model dt tree function documentation improvement 2015-12-08 11:21:25 +01:00
Michaël Benesty
c1b2d9cb86 Generate new features based on tree leafs 2015-12-07 11:30:19 +01:00
Groves
91429bd63d Expose model parameters to R 2015-12-03 06:40:11 -06:00
pommedeterresautee
edca27fa32 Small rewording function xgb.importance 2015-12-02 15:48:22 +01:00
pommedeterresautee
db922e8c88 Small rewording function xgb.importance 2015-12-02 15:48:22 +01:00
pommedeterresautee
e57043ce62 Improve predict function documentation 2015-12-02 15:47:12 +01:00
pommedeterresautee
8233d589b6 Improve predict function documentation 2015-12-02 15:47:12 +01:00
pommedeterresautee
43c860b6cc add support of GLM model in importance plot function 2015-12-02 10:39:57 +01:00
pommedeterresautee
d04f7005de add support of GLM model in importance plot function 2015-12-02 10:39:57 +01:00