On 12/01/2010 05:57 AM, nquer...@clinic.ub.es wrote: > Hi everybody, > > > > I am a beginner in the steps of pre-processing and data analysis of > non-targeted metabolomic profiling experiments. > Anyone knows if there exists some tool for normalizing this type of data (raw > data or XCMS matrix data) > in R repositories? Many thanks in advance.
Bioconductor has several packages that might be appropriate, e.g., xcms. Starting points; http://bioconductor.org/help/bioc-views/release/BiocViews.html#___MassSpectrometry http://bioconductor.org/help/bioc-views/release/bioc/ http://bioconductor.org/help/mailing-list/ (subscription required to post) http://bioconductor.org/install/ Martin > > > > Best regards, > > > > Núria > > > > > > ------------------------------------------------------- > Núria Queralt Rosinach, Ph.D > > Bioinformatics technician > Bioinformatics Unit > IDIBAPS > Edifici CEK > C/ Rosselló, 153 > 08036 Barcelona > TE: +34 93 227 5400 (ext 4523) > > Email: nquer...@clinic.ub.es > Web: http://bioinformatics.fcrb.es/bioinformatics/ > > > > > [[alternative HTML version deleted]] > > > > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Computational Biology Fred Hutchinson Cancer Research Center 1100 Fairview Ave. N. PO Box 19024 Seattle, WA 98109 Location: M1-B861 Telephone: 206 667-2793 ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.