This question is more appropriate for the support site. Please ask there and show the output of your sessionInfo().
https://support.bioconductor.org/ Valerie On 12/05/2016 01:15 PM, Bhattacharya, A (onco) wrote: > Hi, > > I was trying to get the gene mapping for one of the datasets in Affymetrix. I > found a dissimilarity between Affymetrix file and the database in hgu133plus2. > > As per example, For the probeset "1553011_at", I have found a mapping to both > these ENTREZ ID's 6872 /// 138474 in the file downloaded from AFfymetrix > website. But in the hgu133plus2 database it is only mapped to 138474. > Moreover, in all the cases where a probeset is mapped to multiple genes in > the Affymetrix file, only one of them is chosen as mapped gene in the > hgu133plus2. I wish to know in what basis the other genes are ommitted from > mapping. Was there any algorithm to select the mapped gene among the multiple > one's? > > The link to the Affymetrix file:- > http://www.affymetrix.com/Auth/analysis/downloads/na36/ivt/HG-U133_Plus_2.na36.annot.csv.zip > > Regards, > > Arkajyoti Bhattacharya > > ________________________________ > De inhoud van dit bericht is vertrouwelijk en alleen bes...{{dropped:15}} > > _______________________________________________ > Bioc-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/bioc-devel > This email message may contain legally privileged and/or confidential information. If you are not the intended recipient(s), or the employee or agent responsible for the delivery of this message to the intended recipient(s), you are hereby notified that any disclosure, copying, distribution, or use of this email message is prohibited. If you have received this message in error, please notify the sender immediately by e-mail and delete this email message from your computer. Thank you. _______________________________________________ Bioc-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/bioc-devel