Hi all, I have a question about using lumiR to read in Illumina data. I have no idea what the error message is about. If you can suggest sth, that will be great. Thanks! Alex > library(lumi) > fileName <- 'Ademi_raw_data.txt' > example.lumi <- lumiR(fileName,columnNameGrepPattern = list(exprs='AVG_Signal', se.exprs='BEAD_STDEV', detection='Detection', beadNum='Avg_NBEADS')) Error in gregexpr("\t", dataLine1) : invalid argument > sessionInfo() R version 2.7.0 (2008-04-22) i686-pc-linux-gnu locale: LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US .UTF-8;LC_MONETARY=C;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_N AME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTI FICATION=C attached base packages: [1] tools stats graphics grDevices utils datasets methods [8] base other attached packages: [1] lumi_1.6.3 mgcv_1.4-2 affy_1.14.2 affyio_1.4.1 Biobase_1.14.1 > [[alternative HTML version deleted]]