單項(xiàng)選擇題R語(yǔ)言讀取數(shù)據(jù)的方法中,哪一種是不正確的?()

A.read.table(“clipboard”,header =T)
B.read.table(“textdata.txt”,header =T)
C.read.table(“textdata.xlsx”,header =T)
D.read.csv(“textdata.csv”,header =T)


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