I run the basic code. Here is the whole thing. > library(affy) Loading required package: Biobase Loading required package: tools Welcome to Bioconductor Vignettes contain introductory material. To view, simply type 'openVignette()' or start with 'help(Biobase)'. For details on reading vignettes, see the openVignette help page. > D<-ReadAffy() > e<-rma(D) Background correcting Error in density.default(x, kernel = "epanechnikov", n = 2^14) : need at least 2 points to select a bandwidth automatically > -----Original Message----- From: Ting-Yuan Liu [mailto:tliu@fhcrc.org] Sent: Friday, February 03, 2006 1:21 PM To: Dmitry Cc: bioconductor at stat.math.ethz.ch Subject: Re: [BioC] mouse 430_2 error message Hi Dmitry, Based on the error message you provided, it is difficult to understand what happened and to provide help on this. Could you provide detail information such as (1) the codes you are running before you get this error (2) the output of sessionInfo() These kinds of information will be much helpful than the error messages only. HTH, Ting-Yuan ______________________________________ Ting-Yuan Liu Program in Computational Biology Division of Public Health Sciences Fred Hutchinson Cancer Research Center Seattle, WA, USA ______________________________________ On Fri, 3 Feb 2006, Dmitry wrote: > Hi, > > I'm running rma on Affymetrix Mouse430_2 and getting this message: > > Error in density(x, kernel = "epanechnikov", n = 2^14) : > need at least 2 points to select a bandwidth automatically > > Any suggestions? > > Note that gcrma runs just fine. > > Thank you > > Dmitry > > _______________________________________________ > Bioconductor mailing list > Bioconductor at stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/bioconductor >