Hello, The import function depends on a function in Biostrings that is not imported.
> library(rtracklayer) > import("E:\\Dario\\scaffolds.fasta") Error in get(paste("read", match.arg(type), "StringSet", sep = "")) : object 'readDNAStringSet' not found > sessionInfo() R version 3.0.1 (2013-05-16) Platform: x86_64-w64-mingw32/x64 (64-bit) locale: [1] LC_COLLATE=English_Australia.1252 LC_CTYPE=English_Australia.1252 [3] LC_MONETARY=English_Australia.1252 LC_NUMERIC=C [5] LC_TIME=English_Australia.1252 attached base packages: [1] parallel stats graphics grDevices utils datasets methods base other attached packages: [1] rtracklayer_1.20.4 GenomicRanges_1.12.4 IRanges_1.18.2 BiocGenerics_0.6.0 loaded via a namespace (and not attached): [1] Biostrings_2.28.0 bitops_1.0-5 BSgenome_1.28.0 RCurl_1.95-4.1 [5] Rsamtools_1.12.3 stats4_3.0.1 tools_3.0.1 XML_3.98-1.1 [9] zlibbioc_1.6.0 -------------------------------------- Dario Strbenac PhD Student University of Sydney Camperdown NSW 2050 Australia _______________________________________________ Bioc-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/bioc-devel