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Question

Which of the following code drop the ith and jth column?

a.

new <- old[-n,]

b.

new <- old[,-n]

c.

new <- old[,-c(i,j)]

d.

new <- subset(old,logical)

Posted under R Programming

Answer: (c).new <- old[,-c(i,j)]

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Q. Which of the following code drop the ith and jth column?

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