converting dataframe into “mldr object” for k-fold precision recall in R package “utiml”

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囚心锁ツ
囚心锁ツ 2020-11-27 04:42

i have been having a lot of trouble performing precision recall on a dataframe, which has 3-tier category labels -1,0,1 and and 400 rows for prediction. this is my df:

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