[R] fix map metric is higher better (#2183)

a66c3440 · Nikita Titov · GitHub · a7885b60 · a66c3440
Unverified Commit a66c3440 authored May 18, 2019 by Nikita Titov Committed by GitHub May 18, 2019
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R-package/R/lgb.Booster.R R-package/R/lgb.Booster.R +1 -1

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--- a/R-package/R/lgb.Booster.R
+++ b/R-package/R/lgb.Booster.R
@@ -517,7 +517,7 @@ Booster <- R6::R6Class(
          # Parse and store privately names
          names <- strsplit(names, "\t")[[1]]
          private$eval_names <- names
-          private$higher_better_inner_eval <- grepl("^ndcg|^auc$", names)
+          private$higher_better_inner_eval <- grepl("^ndcg|^map|^auc$", names)

        }