[R] Qustion about Creating a sequence of vector

bibek sharma mbhpathak at gmail.com
Tue Oct 9 20:54:15 CEST 2012

Hello R User,
I have a data set where subject( Id)  are frequently measured. For
example, the size of the data set is 75 by 2 and has following
frequency distribution.

id    freq
1      30
2      20
3      25

I want to create a variable (say seq) containing sequential count for
each id. I mean variable seq should be as ( 1,2,..,30, 1,2,...,20,

I use following code but did not work. Any suggestion is much appreciated..
sim<-rep(NA, 90)
for (i in 1:3){

Thank you,

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