Jianping Jin <jjin at email.unc.edu> writes: > Dear Bioconductor: > > I ran expresso with the estrogen data set on R2.1.0 (affy 1.5.8-1)installed > on Windows XP. Normalization with qspline worked fine, but not with loess. > Any suggestions? Try the devel version of affy. The current Bioc 1.5 release is not compatible with R 2.1.0. + seth