[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>
This commit is contained in:
Christian Lorentzen
2020-10-02 21:06:47 +02:00
committed by GitHub
parent e0e4f15d0e
commit cf4f019ed6
18 changed files with 56 additions and 32 deletions

View File

@@ -8,7 +8,7 @@ namespace xgboost {
TEST(Plugin, ExampleObjective) {
xgboost::GenericParameter tparam = CreateEmptyGenericParam(GPUIDX);
auto * obj = xgboost::ObjFunction::Create("mylogistic", &tparam);
ASSERT_EQ(obj->DefaultEvalMetric(), std::string{"error"});
ASSERT_EQ(obj->DefaultEvalMetric(), std::string{"logloss"});
delete obj;
}