Hi, I have similar problem: > source("E-GEOD-31763.eSet.r") B??d w *error in* source("E-GEOD-31763.eSet.r") : niepoprawny wielobajtowy znak w parserze w linii 11 *invalid multibyte character in parser in line 11* Dodatkowo: By?o 50 lub wi?cej ostrze?e? (u?yj 'warnings()' aby zobaczy? pierwsze 50) *additionaly, there were 50 or more warnings* > warnings() Komunikaty ostrzegawcze: *warnings* 1: In grepl("\n", lines, fixed = TRUE) : niepoprawny ?a?cuch wej?ciowy 11 w lokalizacji *invalid input string 11 in localization* > source("E-GEOD-23917.eSet.r") B??d w *error in* source("E-GEOD-23917.eSet.r") : E-GEOD-23917.eSet.r:29:1: nieoczekiwano: ',' *not expected* 28: 29: , ^ Dodatkowo: By?o 50 lub wi?cej ostrze?e? (u?yj 'warnings()' aby zobaczy? pierwsze 50) *additionaly, there were 50 or more warnings* I suspect there are errors in the files. Here is my sessioninfo > sessionInfo() R version 3.0.2 (2013-09-25) Platform: i686-pc-linux-gnu (32-bit) locale: [1] LC_CTYPE=pl_PL.UTF-8 LC_NUMERIC=C LC_TIME=pl_PL.UTF-8 [4] LC_COLLATE=pl_PL.UTF-8 LC_MONETARY=pl_PL.UTF-8 LC_MESSAGES=pl_PL.UTF-8 [7] LC_PAPER=pl_PL.UTF-8 LC_NAME=C LC_ADDRESS=C [10] LC_TELEPHONE=C LC_MEASUREMENT=pl_PL.UTF-8 LC_IDENTIFICATION=C attached base packages: [1] parallel stats graphics grDevices utils datasets methods base other attached packages: [1] ArrayExpress_1.20.0 affy_1.38.1 Biobase_2.20.1 Biostrings_2.28.0 [5] IRanges_1.18.4 BiocGenerics_0.6.0 loaded via a namespace (and not attached): [1] affyio_1.28.0 BiocInstaller_1.10.4 limma_3.16.8 preprocessCore_1.22.0 [5] stats4_3.0.2 tools_3.0.2 XML_3.98-1.1 zlibbioc_1.6.0 Best Wishes, Maciej -- Dr Maciej Jonczyk, Department of Plant Molecular Ecophysiology Faculty of Biology, University of Warsaw 02-096 Warsaw, Miecznikowa 1 Poland -- This email was Anti Virus checked by Astaro Security Gateway. http://www.astaro.com