On Aug 17, 2011, at 5:19 PM, Rosario Garcia Gil wrote: > Hello > > I am trying to run a PCA on the attached file, but I get this error > message: > > pc<-prcomp(data[,-(1:2)],scale=T)$x > Error in svd(x, nu = 0) : infinite or missing values in 'x' What part of "missing values in 'x'" is unclear in that error message? -- David Winsemius, MD West Hartford, CT