On Mon, May 05, 2003 at 07:31:16AM -0600, Ann Hess wrote: > I am trying to use the expresso command to get MBEI values. I get the > following errors. Note that I was able to use expresso to get RMA and MAS > values for the same data without any errors. Any suggestions? > suggestion: Version of R ? Version of the pack 'affy' ? Thanks, L. >