R中这两行代码有什么区别?
split = sample.split(dataset$Customer_Segment, SplitRatio = 0.8)
split = sample.split(dataset, SplitRatio = 0.8)
R中这两行代码有什么区别?
split = sample.split(dataset$Customer_Segment, SplitRatio = 0.8)
split = sample.split(dataset, SplitRatio = 0.8)