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3 Commits

Author SHA1 Message Date
Christian Lorentzen
cf4f019ed6
[Breaking] Change default evaluation metric for classification to logloss / mlogloss (#6183) 
* Change DefaultEvalMetric of classification from error to logloss

* Change default binary metric in plugin/example/custom_obj.cc

* Set old error metric in python tests

* Set old error metric in R tests

* Fix missed eval metrics and typos in R tests

* Fix setting eval_metric twice in R tests

* Add warning for empty eval_metric for classification

* Fix Dask tests

Co-authored-by: Hyunsu Cho <chohyu01@cs.washington.edu>
 2020-10-02 12:06:47 -07:00
Jiaming Yuan
18349a7ccf
[Breaking] Fix custom metric for multi output. (#5954) 
* Set output margin to true for custom metric.  This fixes only R and Python.
 2020-07-29 19:25:27 +08:00
Jiaming Yuan
9c1103e06c
[Breaking] Set output margin to True for custom objective. (#5564) 
* Set output margin to True for custom objective in Python and R.

* Add a demo for writing multi-class custom objective function.

* Run tests on selected demos.
 2020-04-20 20:44:12 +08:00