I suppose so, but I don't know what to do!
Thanks.

Priscila

On Tue, Jan 6, 2009 at 11:00 AM, Pierre-Yves <pingou@pingoured.fr> wrote:

> Priscila Grynberg wrote:
>
>> Dear BioC,
>> I'm trying to use de image function to generate spatial plots of spot
>> statistics.
>>
>> I tried using the RG object,
>>
>>  image(RG[, 1], xvar="maRb", bar=TRUE)
>>>
>>
>> Error in image.default(RG[, 1], xvar = "maRb", bar = TRUE) :
>>  'z' must be a matrix
>>
> From ?image:
> ## Default S3 method:
> image(x, y, z, zlim, xlim, ylim, col = heat.colors(12),
>      add = FALSE, xaxs = "i", yaxs = "i", xlab, ylab,
>      breaks, oldstyle = FALSE, ...)
> So I think you are not using the right arguments in your functions.
>
> Regards,
>
> Pierre
>
>


-- 
Priscila Grynberg, B.Sc., M.Sc.
Doutoranda em Bioinformática (Bioinformatics D.Sc student)
Laboratório de Genética Bioquímica
Universidade Federal de Minas Gerais
Tel: +55 31 3409-2628
CV: http://lattes.cnpq.br/8808643075395963

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