Hi, I would like to work with a vsn object generated by vsn2(RGlist). I.E. MA plot, histogram, etc. How can I access the data within the vsn object? Thanks. Sohail Khan Scientific Programmer COLD SPRING HARBOR LABORATORY Genome Research Center 500 Sunnyside Boulevard Woodbury, NY 11797 (516)422-4076

Dear Sohail, try class ? vsn in particular this mentions the methods '[' Subset 'dim' Get dimensions of data matrix. 'nrow' Get number of rows of data matrix. 'ncol' Get number of columns of data matrix. 'show' Print a summary of the object 'exprs' Accessor to slot 'hx'. 'coef', 'coefficients' Accessors to slot 'coefficients'. Best wishes Wolfgang ------------------------------------------------------------------ Wolfgang Huber EBI/EMBL Cambridge UK http://www.ebi.ac.uk/huber Khan, Sohail a ?crit 19/03/2008 15:53: > Hi, > > I would like to work with a vsn object generated by vsn2(RGlist). > I.E. MA plot, histogram, etc. > How can I access the data within the vsn object? > Thanks. > > > > Sohail Khan > Scientific Programmer > COLD SPRING HARBOR LABORATORY > Genome Research Center > 500 Sunnyside Boulevard > Woodbury, NY 11797 > (516)422-4076