R caret train Error in evalSummaryFunction: cannnot compute class probabilities for regression

Question

> cv.ctrl <- trainControl(method = \"repeatedcv\", repeats = 3,
+                         summaryFunction = twoClassSummary,
+                         classPro         


        

Answer 1

If you changed the values in y to "YES" and "NO" instead of 1 and zero respectively, then the code will run.

y=ifelse(train.batch$y==0,"No","Yes")