[R] hwo can i get a vector that...

[Peter Alspach]

Check out which.max 

Peter Alspach


> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of bunny 
> , lautloscrew.com
> Sent: Thursday, 8 March 2007 11:20 a.m.
> To: R-help at stat.math.ethz.ch
> Subject: Re: [R] hwo can i get a vector that...
> 
> 
> 
> 
> > dear all,
> >
> > how can i get a vector that shows the number of the column 
> of matrix 
> > that contains the maximum of the row ??
> > can´t believe in need a loop for this...
> >
> > i have a  100 x 3 matrix and want to get a 100 x 1 vector 
> with values 
> > 1,2,3 .
> >
> > there must be a simple solution. i just cannot find it. i think am 
> > searching on the wrong end.
> >
> > thx for help in advance.
> >
> > m.
> 
> 
> EDIT: ok,  i know the following by now :)
> 
> apply(for18[,-1], 1, max, na.rm=T)
> 
> but this doesn´t get me the number of the column - which is 
> what i need... 
> 	[[alternative HTML version deleted]]
> 
> 
> 

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