如果我运行此代码来使用 Knit 训练 GBM 模型,我会收到几页 Iter 输出,如下所示。有没有办法抑制这个输出?
mod_gbm <- train(classe ~ ., data = TrainSet, method = "gbm")
## Iter TrainDeviance ValidDeviance StepSize Improve
## 1 1.6094 nan 0.1000 0.1322
## 2 1.5210 nan 0.1000 0.0936
## 3 1.4608 nan 0.1000 0.0672
## 4 1.4165 nan 0.1000 0.0561
## 5 1.3793 nan 0.1000 0.0441
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谢谢你!