[R] another basic ?

Andrew Perrin andrew_perrin at unc.edu
Mon Feb 25 19:27:56 CET 2002


It's == if I'm understanding your question right.

----------------------------------------------------------------------
Andrew J Perrin - andrew_perrin at unc.edu - http://www.unc.edu/~aperrin
 Assistant Professor of Sociology, U of North Carolina, Chapel Hill
      269 Hamilton Hall, CB#3210, Chapel Hill, NC 27599-3210 USA


On Mon, 25 Feb 2002, jimi adams wrote:

> i am sure that there is a simple solution that i am just overlooking, but 
> there is no logical test for =
> there is one for != and >,<, >=, <=...
> what do i do if i need to check if something IS EQUAL
> 
> or is there an easy way, in working with a matrix of size n x 3,  to sort 
> the matrix by one of the columns?
> 
> specifically what i am trying to do is i have a matrix with individual and 
> group labels that is randomly generated, and is by default sorted by the 
> individual labels ( column 1) and i want them to be organized into unique 
> group labels (comlumn 2)
> thanks
> jimi
> jimi adams
> Department of Sociology
> The Ohio State University
> 300 Bricker Hall
> 190 N. Oval Mall
> Columbus, OH 43210-1353
> 614-688-4261
> 
> our mind has a remarkable ability to think of contents as being independent 
> of the act of thinking
>                                              -georg simmel
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