help(sample) does not say anything about randomly permuting the rows of
a matrix M by using M[sample(m,m),]. Perhaps it could be added as an
example of use.
John Fox wrote:
> Dear Jose,
>
> M[sample(m, m),] will randomly permute the rows of M. [You probably could
> have figured this out via help.search("permutation"), which would have led
> you to sample().]
>
> Regards,
> John
>
> --------------------------------
> John Fox
> Department of Sociology
> McMaster University
> Hamilton, Ontario
> Canada L8S 4M4
> 905-525-9140x23604
> http://socserv.mcmaster.ca/jfox
> --------------------------------
>
>
>>-----Original Message-----
>>From: [EMAIL PROTECTED]
>>[mailto:[EMAIL PROTECTED] On Behalf Of javargas
>>Sent: Saturday, April 15, 2006 7:53 AM
>>To: [email protected]
>>Subject: [R] permutation of rows of a matrix
>>
>>How can I generate a random permutation between rows of a
>>matrix M (of m rows and n columns)?
>>
>>Thanks for your help,
>>
>>Jose
>>
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>>http://www.R-project.org/posting-guide.html
>
>
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