226 Commits

Author SHA1 Message Date
Tong He
7cb449c4a7 Update xgb.cv.R 2015-06-11 14:16:20 -07:00
Tong He
61142f203b check whether objective is character 2015-06-11 14:04:43 -07:00
Tong He
f9ae83e951 Update xgb.cv.R 2015-05-28 09:30:23 -07:00
hetong007
733d23aef8 rename arguments to be dot-seperated 2015-05-25 11:51:01 -07:00
hetong007
8d3a7e1688 change doc and demo for new obj feval interface 2015-05-25 11:30:04 -07:00
hetong007
19b24cf978 customized obj and feval interface 2015-05-25 11:19:38 -07:00
Tong He
458585b5fd Update xgb.train.R 2015-05-25 10:24:59 -07:00
by321
a4341f22a2 xgb.csv(printEveryN) parameter to print every n-th progress message 2015-05-13 21:51:05 -07:00
Tong He
d7da4189dc Merge pull request #296 from by321/master
new parameter in xgboost() and xgb.train() to print every N-th progress message
2015-05-11 16:55:14 -07:00
hetong007
90096e718c fix early stopping 2015-05-11 16:53:51 -07:00
hetong007
83ace55f51 add early stopping to xgb.cv 2015-05-11 16:03:40 -07:00
by321
5dacab0e22 new parameter in xgboost() and xgb.train() to print every N-th progress message 2015-05-11 14:18:24 -07:00
hetong007
3f9921762a support both early stop name 2015-05-09 18:08:47 -07:00
Tong He
f6fc38f7af Merge pull request #298 from pommedeterresautee/master
Documentation improvement
2015-05-08 15:15:56 -07:00
pommedeterresautee
11ba651a07 Regularization parameters documentation improvement 2015-05-08 16:59:29 +02:00
hetong007
419e4dbda6 add demo for early_stopping in R 2015-05-06 15:14:29 -07:00
hetong007
0f182b0b66 fix logic 2015-05-05 16:44:36 -07:00
hetong007
54fb49ee5c add early stopping to R 2015-05-05 16:31:49 -07:00
Tianqi Chen
a8d059902d Merge pull request #283 from pommedeterresautee/master
OTTO Rmarkdown
2015-05-03 09:09:49 -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
El Potaeto
d74d199a1e small change in the documentation 2015-05-01 13:03:15 +02:00
El Potaeto
9f3b02cc3e multiclass documentation 2015-05-01 09:48:07 +02:00
Tong He
bab7b58d94 Merge pull request #227 from khotilov/master
add stratified cross validation for classification
2015-04-30 11:39:52 -07:00
El Potaeto
0c8b6e2008 Suppress a Note in Cran check 2015-04-28 15:23:23 +02:00
El Potaeto
de3f74f755 Merge remote-tracking branch 'dmlc/master' 2015-04-15 18:48:26 +02:00
pommedeterresautee
4e1002a52c Experimental parameter 2015-04-14 00:30:55 +02:00
Tianqi Chen
0ea28c35c4 Merge pull request #225 from chrissly31415/master
Fixing parsing of model dump text file in R
2015-04-09 09:53:38 -07:00
Tianqi Chen
7975dd03a9 Merge pull request #229 from nagadomi/fix_group_check_in_r
Fix length check in utils.R
2015-04-09 09:02:31 -07:00
nagadomi
87b4332cc1 Fix length check in utils.R 2015-04-09 02:25:47 +09:00
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
chrissly31415
34cbbab84c fixing parsing of any numbers 2015-04-07 11:45:08 +02:00
chrissly31415
b39c16ea02 fixed parsing of negative reals, integers and scientific notation which
can occur in model dump
2015-04-07 10:57:54 +02:00
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
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
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
unknown
431277d5ca fix multi cv pred 2015-03-29 00:02:29 -07:00
unknown
37567e440c optim pred in cv 2015-03-28 23:41:19 -07:00
unknown
930497e271 fix matrix form prediction 2015-03-28 23:03:16 -07:00
El Potaeto
be6bd3859d Add Random Forest parameter (num_parallel_tree) in function doc + example in Vignette. 2015-03-29 01:52:26 +01:00
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
El Potaeto
7d0ac3a3dd update links dmlc 2015-03-22 16:41:05 +01:00
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
8025b338a8 Merge pull request #199 from pommedeterresautee/master
Cross validation documentation improvement
2015-03-18 11:14:36 -07:00
pommedeterresautee
33205d1fbd Cross validation documentation improvement 2015-03-17 23:18:00 +01:00