On 27 Jun 2005, cymering at gmail.com wrote: > Hi! > I have Affimetrix data, but I don't have .CEL files, only a .xls. > How can I open this file with Bioconductor? > Thank you. I would recommend search the R-help list for ways of reading .xls files in R. You might also try the RSiteSearch function in R. HTH, + seth