Jacob and others, On Fri, 13 Aug 2004, Jacob Hurst wrote: > I'm trying to follow the estrogen example with the afflmGUI, I've sucessfully > loaded the CEL files and I'm now trying to create an intensity density plot. > When I do so I get a litttle message popup box saying "Error in > FUN(newX[,i],...): Wrong type for argument 2 in call to massdist" As mentioned offline, I don't know the reason for this error, and I was unable to reproduce it with a quick test on my system, but as I was trying to explain (off the BioC list), you should mention the R command affylmGUI uses to do the density plots so others on the BioC list may be able to see whether this command is somehow out of date: James Wettenhall wrote: > Here's the command from affylmGUI which does the density plot: > > plotDensity.AffyBatch(RawAffyData[,slide],which=whichProbes, xlab=xLabel,ylab=yLabel) where RawAffyDadta is an object of class AffyBatch and whichProbes is a string: "pm" or "mm" or "both". Regards, James