有人有什么想法吗?如果您需要我提供更多信息,请告诉我。
gbmFit2 <- train(SalePrice ~ .,
data = train,
na.action = na.pass,
method = "gbm",
# preProcess = c( "knnImpute", "zv", "nzv", "YeoJohnson"),
trControl = fitControl,
## This last option is actually one
## for gbm() that passes through
verbose = TRUE)
ctrfn中的错误(级别(x),对比=对比):正交 多项式不能足够准确地表示111度 自由