[R] Multiple frequencies

[Laurent Gautier]

On Wed, Apr 24, 2002 at 10:11:18AM +0200, Yannick Wurm wrote:
> Hi!
> 	I'm having a small problem with an assignment I have to do.
> 	We want to do an anova on some values, given for four 
> different types of medicine. The different sample numbers are 
> not identical (eg for molecule A we have 8 values, for B we have 
> 14, etc.).
> 	What would the most elegant way of getting this info into R 
> to do an lm be? I usually try to use data.frames but R 
> categorically refuses to combine the values (i scan()'d them 
> into four vectors) because their row numbers aren't identical. 
> (even if I do check.rows = FALSE).
> 
> Thanks for your help,
> 
> Yannick
> 
> ------------------------------------
>      yannick.wurm at insa-lyon.fr
> http://homepage.mac.com/yannickwurm/
> tel: 06.16.41.71.92    icq: 22044361
> 
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It looks like a job for 'factor'...

The following R command should help you to figure out how...


help(factor)
data(InsectSprays)
help(InsectSprays)




Hopin' it helps,




Laurent





--------------------------------------------------------------
Laurent Gautier			CBS, Building 208, DTU
PhD. Student			D-2800 Lyngby,Denmark	
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