我使用rf
方法训练了一个数据集。例如:
ctrl <- trainControl(
method = "LGOCV",
repeats = 3,
savePred=TRUE,
verboseIter = TRUE,
preProcOptions = list(thresh = 0.95)
)
preProcessInTrain<-c("center", "scale")
metric_used<-"Accuracy"
model <- train(
Output ~ ., data = training,
method = "rf",
trControl = ctrl,
metric=metric_used,
tuneLength = 10,
preProc = preProcessInTrain
)
之后,我想绘制决策树,但是当我写
plot(model)
时,我得到了这个:plot(model)
。如果我写
plot(model$finalModel)
,我得到的是这个:plot(model$finalModel)
我想要绘制决策树……
如何做到这一点?
谢谢 :)