Saturday, 26 November 2016

12 seq rep and all functions in r language


R seq Function

seq() function generates a sequence of numbers.

seq(from = 1, to = 1, by = ((to - from)/(length.out - 1)),
    length.out = NULL, along.with = NULL, ...)


• from, to: begin and end number of the sequence
• by: step, increment (Default is 1)
• length.out: length of the sequence

seq(from=:,to,by)

seq(5)
1:5
seq(5)==1:5
all(seq(5)==1:5 )
!all(seq(5)==1:5 )
rep(1,5)
rep("a",50)

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