Hendrik/xgboost
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50 Commits

Author SHA1 Message Date
Vadim Khotilovich
d7406e07f3 [R] xgb.plot.tree fixes (#1939) 
* [R] a few fixes and improvements to xgb.plot.tree

* [R] deprecate n_first_tree replace with trees; fix types in xgb.model.dt.tree
 2017-01-06 11:09:51 -08:00
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
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
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
c342614a81 [R] add parameter deprecation related utilities; code style 2016-06-27 01:49:51 -05:00
Vadim Khotilovich
422b0000a8 R-callbacks refactor 2016-06-09 02:46:13 -05:00
Vadim Khotilovich
71f402ac16 convert S4 to S3; add some extra methods to DMatrix 2016-03-27 19:22:22 -05:00
Tong He
4db3dfee7d Update utils.R 2015-11-08 18:08:51 -08:00
terrytangyuan
5b9e071c18 Fix travis build (+1 squashed commit) 
Squashed commits:
[9240d5f] Fix Travis build
 2015-10-29 00:28:53 -04:00
terrytangyuan
6024480400 Fixed most of the lint issues 2015-10-28 23:24:17 -04:00
terrytangyuan
8bae715994 Lint fix on infix operators 2015-10-28 23:04:45 -04:00
terrytangyuan
d7fce99564 Lint fix on consistent assignment 2015-10-28 22:22:51 -04:00
terrytangyuan
537b34dc6f Code: Some Lint fixes 2015-10-24 16:43:44 -04:00
kferris
7a94bdb60c Switch missing values from 0 to NA in R package 2015-10-07 18:51:47 -04:00
unknown
3d6c831e8a add error for data.frame, add weight to xgboost 2015-09-02 21:43:23 -07:00
unknown
198c5bb55e fix namespace and desc 2015-07-24 11:58:02 -07:00
Tong He
61142f203b check whether objective is character 2015-06-11 14:04:43 -07:00
Vadim Khotilovich
c18e081f48 cleanup 2015-05-01 16:16:50 -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
Tong He
bab7b58d94 Merge pull request #227 from khotilov/master 
add stratified cross validation for classification
 2015-04-30 11:39:52 -07:00
nagadomi
87b4332cc1 Fix length check in utils.R 2015-04-09 02:25:47 +09:00
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
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
tqchen
4eae8e8676 allow xgb.load re-use raw information if necessary 2015-03-26 16:54:29 -07:00
tqchen
98618646f6 bugfix booster.check 2015-03-26 16:43:01 -07:00
Tong He
5648bec8a3 Update utils.R 2015-03-20 22:41:47 -07:00
Tong He
f6722ba628 Update utils.R 2015-03-20 11:06:01 -07:00
Tong He
a146f0c5e1 Update utils.R 2015-03-16 23:23:22 -07:00
Tong He
1e001f7cf3 add length check 2015-03-16 23:20:31 -07:00
hetong007
4c25600d2a fix segfault and add two function for handle and booster 2015-02-09 17:28:48 -08:00
hetong007
0aef62dabc fix with new predict 2015-02-09 16:25:00 -08:00
hetong007
f7c838ffaa fix bugs 2015-02-09 16:16:11 -08:00
hetong007
5b611c355e add handle and raw structure to xgb.Booster 2015-02-09 15:51:24 -08:00
tqchen
dc3003cefd add saveload to raw 2015-02-01 21:17:37 -08:00
hetong007
947f0a926d enable returning prediction in cv 2015-01-20 14:12:45 -08:00
Tong He
bbd7098e51 Update utils.R 
add parameter missing
 2014-11-20 15:13:28 -08:00
tqchen
5621d9811f remove deprecate 2014-09-07 10:17:34 -07:00
tqchen
e9ed4eb1a2 ok 2014-09-06 11:13:19 -07:00
tqchen
4a8612defc add customize objective 2014-09-06 10:19:19 -07:00
tqchen
ab238ff831 chg cv 2014-09-05 22:46:09 -07:00
tqchen
0ecd6c08f3 add cross validation 2014-09-05 22:34:32 -07:00
tqchen
984102e586 style cleanup, incomplete CV 2014-09-05 20:34:41 -07:00
tqchen
29a7027dba fix the zero length vector 2014-09-01 22:50:48 -07:00
tqchen
168f78623f allow standalone random 2014-08-31 14:07:44 -07:00
hetong
9b618acba2 add import methods in NAMESPACE 2014-08-30 15:42:57 -07:00
unknown
26868ebada fix NAMESPACE with import classes 2014-08-28 09:22:11 -07:00
unknown
0f0c12707c modify xgb.getinfo to getinfo 2014-08-27 15:03:24 -07:00
unknown
0130be4acc major change in the design of R interface 2014-08-26 23:41:03 -07:00