[R] reshape a matrix

[Uwe Ligges]

On 20.08.2011 17:04, Wendy wrote:
> Hi all,
>
> I have a data.frame like following
>
> A<-c('d0','d0','d1','d1','d2','d2')
> B<-rep(c('control','sample'),3)
> C<-c(rep(100000,2),200,300,400,500)
> dataframe<-data.frame(A,B,C)
>
> I want to reshape the matrix, so the matrix with 'd0', 'd1' and 'd2' in rows
> and 'control' and 'sample' in columns. Is there a function for doing this
> easily?

See ?reshape

reshape(data=dataframe, idvar="A", timevar="B", direction="wide")

Uwe Ligges




>
> Thank you in advance.
>
> Wendy
>
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