[BioC] Error with ImaGene out put file in limma

Marcelo Luiz de Laia mlaia at fcav.unesp.br
Wed Oct 22 17:36:52 MEST 2003

Hi Gordon,

You are correct! That file was not the real file of the imagene. However, I
made the same steps with the real file of the imagene and it happens the
same errors. What can be? I use R 1.8.0 and limma 1.2.8

> library(limma)
> RegianeSample <-
> RegianeSample
  SlideNamber            FileNameCy3            FileNameCy5 Cy3  Cy5
1           1 lamina1_0_selected.txt lamina1_1_selected.txt XDM BCYE
2           2 lamina2_0_selected.txt lamina2_1_selected.txt XDM BCYE
3           3 lamina3_0_selected.txt lamina3_1_selected.txt XDM BCYE
> slides <- RegianeSample$FileName
> RG <- read.maimages(slides, source="imagene")
Error in array(x, c(length(x), 1), if (!is.null(names(x))) list(names(x),  :
        attempt to set an attribute on NULL


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