[R] reading raw matrix saved with writeBin

[Henrik Bengtsson]

FYI, to save data as bitmap images, see the EBImage package on Bioconductor.

/H

On 3/15/07, Ranjan Maitra <maitra at iastate.edu> wrote:
> On Wed, 14 Mar 2007 18:45:53 -0700 (PDT) Milton Cezar Ribeiro <milton_ruser at yahoo.com.br> wrote:
>
> > Dear Friends,
> >
> > I saved a matrix - which contans values 0 and 1 - using following command:
> > writeBin (as.integer(mymatrix), "myfile.raw",  size=1).
> >
> > It is working fine and I can see the matrix using photoshop. But now I need
> > read the matrices again (in fact I have a thousand of them) as matrix into R but when
> > I try something like  mat.dat<-readBin ("myfile.raw",size=1) I can´t access the
> > matrix
> >
> > Kind regards,
> >
> > Miltinho
> >
> > __________________________________________________
> >
> >
> >       [[alternative HTML version deleted]]
> >
>
> Look up the help file. There is an explicit example. Basically, you need to tell the file to read in binary.
>
> In fact, I am a little surprised your first command works while writing.
>
> HTH!
> Ranjan
>
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