You might want to describe how your data is kept now so we can help with the loading process, but in general, 4D arrays are loaded with the same basic principles as 2D arrays (matrices).
If you are new to this kind of work in R, it sounds like you might want to check out the Bioconductor lists for specifically microbiology/genetics questions. Michael Weylandt On Fri, Sep 30, 2011 at 11:12 PM, Victoria_Stuart <1...@victoriasjourney.com> wrote: > Hello: I am a novice R user, but I have been working my way through the > manuals / tutorials, ... I have R / Deducer up and running, and know the > basics. > > I want to analyze a microarray (gene expression) dataset. > > I need to input the data into R as a multidimensional (multi-way) array, > something on the order of > > 15,000 x 3 x 8 x 2 [genes x replicates x time points x treatments] > > I've Google'd, etc. to find the solution, but I cannot find an answer. I am > being led to the idea (I suspect) that I may need to use a RDBMS (like > MySQL) for that purpose (section 4 in > http://cran.r-project.org/doc/manuals/R-data.html)? > > If so, that is my next challenge! > > Any replies much appreciated! > > Sincerely, Victoria :-) > > -- > View this message in context: > http://r.789695.n4.nabble.com/Entering-data-into-a-multi-way-array-tp3862054p3862054.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. > ______________________________________________ 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.
