This isn't a question for Bioc-devel, which is intended for questions about package development. In future, please use the support site, https://support.bioconductor.org
That said, I have checked in a fix which should propagate through the build servers in the next day or two. In the meantime you can simply do exprs <- ExpressionSet(WEHAsum) plotPCA(exprs[,-1]) On Thu, Jan 26, 2017 at 10:38 AM, Vojtech Kulvait <kulv...@gmail.com> wrote: > When using this code > > WEHAsum = read.csv("/tmp/wehasum.csv", check.names = FALSE, as.is=TRUE) > plotPCA(as.matrix(WEHAsum[,-1][,sort(colnames(WEHAsum[,-1]))]), > x.coord=-20, y.coord=20) > > I get > > Error in (function (classes, fdef, mtable) : > unable to find an inherited method for function 'plotPCA' for signature > '"matrix"' > _______________________________________________ > Bioc-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/bioc-devel > -- James W. MacDonald, M.S. Biostatistician University of Washington Environmental and Occupational Health Sciences 4225 Roosevelt Way NE, # 100 Seattle WA 98105-6099 [[alternative HTML version deleted]] _______________________________________________ Bioc-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/bioc-devel