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
