Vadim Khotilovich 9ffe8596f2 [core] fix slow predict-caching with many classes (#3109) ...

* fix prediction caching inefficiency for multiclass

* silence some warnings

* redundant if

* workaround for R v3.4.3 bug; fixes #3081

2018-02-15 18:31:42 -06:00

5.9 KiB

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