Try this:

write.table(cbind(data.matrix[1], Variance = apply(data.matrix[,-1],
1, var)),    file='file.xls')


On 02/03/2008, Keizer_71 <[EMAIL PROTECTED]> wrote:
>
> sorry...in step 4-i need the R code to output in this format when i export
> to
> excel.
>
>       ProbeID     Variance    
> 1     224588_at   21.58257457
>
> thanks
>
>
>
> Keizer_71 wrote:
> >
> > Hello,
> >
> > Thanks everyone for helping me with the previous queries.
> >
> > step 1: Here is the orginal data: short sample
> >
> >     ProbeID     Sample_1_D  Sample_1_C    Sample_2_D           Sample_2_C
> > 1   224588_at   2.425509867 11.34031409   11.46868531          11.75741478
> >
> > step 2: i calculate the variance of the sample using this R code
> >
> > x<-1:20000
> > y<-2:141
> > data.matrix<-data.matrix(data[,y])#create data.matrix
> > variableprobe<-apply(data.matrix[x,],1,var)
> >
> > step 3: however, when i type in variableprobe, it gives me this.
> >
> > 1   21.58257457
> >
> > step 4: I need the code to output this:
> >
> >     ProbeID     Variance    
> > 1   224588_at   21.58257457
> >
> >
> > What do i need to do to modify the code to give me better description like
> > the one above?
> >
> > thank.
> > Keizer
> >     
> >
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/Variance-Calculation-in-R-tp15790621p15790768.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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>


-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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