meetup's Issues
error in caret.cv <- train(Survived
I've closed the whole Rstudio and run it again and the same error appearing (all packages where launched)
#install.packages(c("e1071", "caret", "doSNOW", "ipred", "xgboost"))
Any Idea, why I have this error?
caret.cv <- train(Survived ~ .,
-
data = titanic.train, -
method = "xgbTree", -
tuneGrid = tune.grid, -
trControl = train.control)
Error in e$fun(obj, substitute(ex), parent.frame(), e$data) :
unable to find variable "optimismBoot"
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