> I receive the following error, where is the problem?
> Error in train(Effort ~ ., data = d, method = "lpSVM", trControl =
> fitControl, :
> unused arguments (data = d, method = "lpSVM", trControl = fitControl,
> verbose = FALSE, metric = "ROC")
> The code is here
No library calls, so we will need to guess what packages are being assumed.