Hi,
> Is the variable st character or a factor? What does str(train$st) show?
> str(train$st)
Factor w/ 208 levels "0,000","0,0058643",..: 132 134 41 29 42 151 195 195
196 207 ...
Thank you very much Max with your help I found my error, now it works.
Marlene.
Is the variable st character or a factor? What does str(train$st) show?
--
Max
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