Re: [R] mplot :how to deal with missing data

From: Christoph Buser <buser_at_stat.math.ethz.ch>
Date: Fri 03 Jun 2005 - 16:26:06 EST

If you have to deal with missing values, you might be interested in na.omit().
?na.omit

Regards,

Christoph



Christoph Buser <buser@stat.math.ethz.ch> Seminar fuer Statistik, LEO C13
ETH (Federal Inst. Technology)	8092 Zurich	 SWITZERLAND
phone: x-41-44-632-4673		fax: 632-1228

http://stat.ethz.ch/~buser/

NATALIA F TCHETCHERINA writes:
> Hello all,
> I have data:
>
> Genes time rep vart dye y trt
> 130911 sa1-d07 030min 1 col g 9.636244 o
> 145771 sa1-d07 030min 1 col r 8.107577 c
> 93335 sa1-d07 030min 1 ler g 7.409566 o
> 94821 sa1-d07 030min 1 ler r 5.107160 c
> 10119101 sa1-d07 030min 2 col g 8.336862 o
> 11605101 sa1-d07 030min 2 col r 7.824530 c
> 725313 sa1-d07 030min 2 ler g 8.249347 o
> 740171 sa1-d07 030min 2 ler r 7.565084 c
> 1160522 sa1-d07 030min 3 col g NA c
> 1011922 sa1-d07 030min 3 col r NA o
> 562232 sa1-d07 030min 3 ler g 9.974227 c
> 547362 sa1-d07 030min 3 ler r 10.341149 o
> ..................................................
> ..................................................
> ..................................................
>
> I would like to get graphs means for two-way factor combinations
> I used Rlab package:
> > mplot(data$y[which(data$Genes==sa1-d07)],
> data$time[which(data$Genes==sa1-d07)], data$trt[which(data$Genes==sa1-d07)])
>
> However, I have the following error message:
>
> plot window will lay out plots in a 3 by 1 matrix
> Error in plot.window(xlim, ylim, log, asp, ...) :
> need finite 'ylim' values
> In addition: Warning messages:
> 1: no finite arguments to min; returning Inf
> 2: no finite arguments to max; returning -Inf
> >
> I think this is because of some y='NA'.
> My question is: how I can deal with this problem?
>
> Sincerely, Natalia.
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri Jun 03 16:32:45 2005

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