[R] another basic ?

Scott, Uriel uriel.scott at mirant.com
Mon Feb 25 21:19:42 CET 2002


Use == to test for equality (like in C).

> -----Original Message-----
> From:	jimi adams [SMTP:adams.644 at osu.edu]
> Sent:	Monday, February 25, 2002 12:06 PM
> To:	r-help at stat.math.ethz.ch
> Subject:	[R] another basic ?
> 
> 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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