[R] preprocessing problem

[Amit Sengupta]

Hi,I am having a problem with the ReadAffy() in the university R programming environment. I install affyPLM and invoke library(affyPLM) in the following way. I have the cel files in the craig subdirectory. Please let me know how to resolve the problem.Amit
source("http://bioconductor.org/biocLite.R")  biocLite("affyPLM") biocLite("gcrma") library(affyPLM)> setwd("c:/Users/amit.sengupta/Desktop/myRfolder/craig")
> craig.data=ReadAffy()
Error in AllButCelsForReadAffy(..., filenames = filenames, widget = widget,  : 
  No cel filennames specified and no cel files in specified directory:c:/Users/amit.sengupta/Desktop/myRfolder/craig
	[[alternative HTML version deleted]]