I am new to GBM and I am trying to run it on "train.1" dataset(dim(train.1)
39947 43) and checking predictions on "test"(dim(test) 20000 192) using the
codes:
gbmFit1 <- train(as.factor(train.1$Labels)~., data = train.1[,-43], method =
"gbm", trControl = fitControl,verbose = FALSE)
gbm_dev <- predict(gbmFit1,test,type= "prob")[,2]
However the results of my predictions are having length(gbm_dev) as 3226 !!
What am I doing wrong?
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