On May 13, 2010, at 9:48 AM, Carrie Li wrote:
Hi, dear R-helpers,
I have a simple question regarding selecting subset of a variable
based on
another variable.
Here is the example:
xx=rnorm(10)
id=sample(1:10, 10)
temp=c(6, 1, 8, 2)
Now, all I want is xx's that their id are 6, 1, 8, 2, instead of the
position.
Any suggestions ?
xx[temp]
--
David.
Thank you all your help !!
Carrie
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David Winsemius, MD
West Hartford, CT
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
