Quickie: How do I convert from a marrayNorm class to an exprSet class? Thanks Mick

Mick, Try this: library(convert) library(marray) library(Biobase) x <- new("marrayNorm") xEset <- as(x,"exprSet") Regards, James ---------------------------------------------------------------------- --- James Wettenhall Tel: (+61 3) 9345 2629 Division of Genetics and Bioinformatics Fax: (+61 3) 9347 0852 The Walter & Eliza Hall Institute E-mail: wettenhall@wehi.edu.au of Medical Research, Mobile: (+61 / 0 ) 438 527 921 1G Royal Parade, Parkville, Vic 3050, Australia http://www.wehi.edu.au