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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
Vadim Khotilovich f9648ac320 [R-package] store numeric attributes with higher precision (#1628) 2016-10-03 11:01:17 -07:00
Vadim Khotilovich 3efff6d052 fix for VX (#1614) 2016-09-27 15:19:20 -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
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
Vadim Khotilovich 75f401481f no exception throwing within omp parallel; set nthread in Learner (#1421) 2016-07-29 10:08:03 -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 4fb1b8a5a7 Merge branch 'master' into r_callbacks 2016-07-03 15:04:58 -05:00
Vadim Khotilovich 344d7b4699 [R] disable for now some of the RF tests that fail in travis 2016-06-27 02:49:23 -05:00
Vadim Khotilovich ae0ca486ed added name to DESCRIPTION 2016-06-27 02:23:37 -05:00
Vadim Khotilovich 4b2eedc186 fix merge conflicts 2016-06-27 02:18:59 -05:00
Vadim Khotilovich e1a52e896c [R] rm renamed CB's docs 2016-06-27 02:01:54 -05:00
Vadim Khotilovich fd4300b95a [R] additional and modified tests 2016-06-27 02:00:46 -05:00
Vadim Khotilovich 3b6b344561 [R] adopt demos and vignettes to a more consistent parameter style 2016-06-27 02:00:39 -05:00
Vadim Khotilovich a0aa305268 [R] docs update - callbacks and parameter style 2016-06-27 01:59:58 -05:00
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 4e1269b522 print.xgb.cv fix - Rd too 2016-06-09 10:12:20 -05:00
Vadim Khotilovich 79704cdfb4 print.xgb.cv fix 2016-06-09 09:29:19 -05:00
Vadim Khotilovich f34f9fb9f7 R-callbacks tests + other tests brushup 2016-06-09 02:53:37 -05:00
Vadim Khotilovich 2e0ffcc303 R-callbacks docs 2016-06-09 02:52:09 -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 264c222fe0 Merge remote-tracking branch 'upstream/master' 2016-06-09 02:32:26 -05:00
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
Vadim Khotilovich 26a82621a2 make travis happy 2016-06-04 22:38:24 -05:00
Vadim Khotilovich ba04a1d552 py test for #1239 2016-06-04 22:08:10 -05:00
Vadim Khotilovich 22ad94d281 create DefaultEvalMetric only when really necessary 2016-05-31 08:20:25 -05:00
Vadim Khotilovich 64b9dcf7b5 fix multiple evaluation metrics 2016-05-31 08:20:17 -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 ffed95eec0 py: replace attr_names() with attributes() 2016-05-15 22:04:38 -05:00
Vadim Khotilovich 26b36714ea doxygen suggested fix 2016-05-15 03:05:19 -05:00
Vadim Khotilovich 185fef3fce fixes for lint 2016-05-15 02:35:37 -05:00
Vadim Khotilovich a13a3a4d76 attr_names for python interface; attribute deletion via set_attr 2016-05-15 02:05:10 -05:00
Vadim Khotilovich 8664217a5a [R] more attribute handling functionality 2016-05-14 18:19:18 -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 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 0839aed380 fix attribute accessors C-interface for R 2016-05-02 00:19:38 -05:00
Vadim Khotilovich b5fb437aa7 learner attribute setter & getter for R interface 2016-05-01 15:40:51 -05:00
Vadim Khotilovich b588479f66 .Call-interface functions need to return SEXP 2016-05-01 15:40:51 -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
Vadim Khotilovich 25965227b3 Merge branch 'master' into S4toS3 2016-04-02 14:30:44 -05:00
Vadim Khotilovich de63993543 Merge branch 'master' into make_fix 2016-03-31 01:19:52 -05:00
Vadim Khotilovich 9f177d7353 fix Makefile to use MAKE variable 2016-03-31 00:47:51 -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 4b760762f9 added unit tests for xgb.DMatrix 2016-03-27 19:23:08 -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
Vadim Khotilovich 1d504d6c6c added XGDMatrixNumCol_R function 2016-03-27 19:11:22 -05:00
Vadim Khotilovich f18852376f hopefully, this would make travis happy 2015-12-18 15:49:15 -06:00
Vadim Khotilovich 0c38a916fe make some gcc versions happy by using the fwrite return value 2015-12-18 15:03:39 -06:00
Vadim Khotilovich f97c4ccb60 make gcc5 check silent when there's no gcc5 2015-12-18 14:34:16 -06:00
Vadim Khotilovich d867579a69 make it possible to run create_wrap.sh not only from its directory 2015-12-18 14:18:28 -06:00
Vadim Khotilovich b47725a65b add Eclipse stuff to .gitignore 2015-12-12 21:45:41 -06:00
Vadim Khotilovich c70022e6c4 spelling, wording, and doc fixes in c++ code 
I was reading through the code and fixing some things in the comments.
Only a few trivial actual code changes were made to make things more
readable.
 2015-12-12 21:40:12 -06:00
Vadim Khotilovich c18e081f48 cleanup 2015-05-01 16:16:50 -05:00
Vadim Khotilovich f05c7d87cb Merge remote branch 'src/master' into custom_loss_cv_fix 2015-05-01 15:42:50 -05:00
Vadim Khotilovich 0a3e7722fd a safeguard against someone using automatic folds creation with ranking 2015-05-01 15:16:30 -05:00
Vadim Khotilovich f325930bd9 Improved logic in stratified CV to guess class/regr 
Somewhat more robust and clear logic in stratified CV to guess classification/regression settings. Allows to accomodate custom objectives (classification is assumed when number of unique values in labels <= 5).
 2015-05-01 15:08:08 -05:00
Vadim Khotilovich 76cef701ab moved the external graphing packages to Suggested in order to trim the dependencies 2015-04-07 18:02:29 -05:00
Vadim Khotilovich aefd234da3 moved the external graphing packages to Suggested in order to trim the dependencies 2015-04-07 17:43:53 -05:00
Vadim Khotilovich 0405676734 Merge remote branch 'src/master' 2015-04-07 17:16:19 -05:00
Vadim Khotilovich 31b0e53cd4 make it possible to use a list of pre-defined CV folds in xgb.cv 2015-04-03 13:24:04 -05:00
Vadim Khotilovich c03b42054f Merge remote branch 'src/master' 2015-04-03 13:18:40 -05:00
Vadim Khotilovich 271e8202a7 force xgb.cv to return numeric performance values instead of character; update its docs 2015-04-03 12:20:34 -05:00
Vadim Khotilovich b04920d8e7 update documentation for xgb.cv 2015-04-03 11:14:09 -05:00
Vadim Khotilovich 611d69c771 fix some wording 2015-04-02 19:59:06 -05:00
Vadim Khotilovich b8711226e2 added an option for stratified CV to xgb.cv 2015-04-02 19:48:23 -05:00