If the only reason you want to save it is to later read it back into R later then see ?dump or even ?save
On Sat, Sep 19, 2009 at 8:11 PM, Xi Ang <slideprojec...@gmail.com> wrote: > > > Thanks for your reply. > > Is there a way I can save the data to an ascii file without losing the > row/column structure? > I have tried save(...) and write.table(...) but the output file seems to > jumble up the order of the matrix. > > Thanks > Xi > > > David Winsemius wrote: >> >> XYT <- array(1:150, dim=c(3,5,10)) >> XYbyT= matrix(apply(XYT, 3, I), ncol=10) >> >> ...or even... >> >> XYbyT= matrix(XYT, ncol=10) >> >> -- >> David. >> >> On Sep 19, 2009, at 1:11 PM, Xi Ang wrote: >> >>> >>> Hi >>> >>> I have some data with these dimensions: >>> 5 3 100 >>> >>> which correspond to the x, y, and time dimensions, for a variable, p. >>> >>> I need the data in this format: 100 rows (1 row per time unit), and 15 >>> values in each row. >>> >>> I have attempted to reshape my data >>> >>>> dim(data) >>> 5 3 100 >>> >>>> attr(data,'dim')<-c(dim(data)[3],dim(data)[1]*dimdata[2]) >>> >>> So I get data with 100 rows, 15 columns. >>> >>> I need to use this data outside of R, and so have to save it as an >>> ASCII >>> file that retains the row-column structure of the data, but I do not >>> know >>> how to. >>> >>> It would be ideal if I could end up with a text file that also has an >>> additional column that labels which time unit (1-100) the row >>> belongs to, >>> i.e. >>> >>> 1 a1,1 a1,2 ........... a1,15 >>> 2 a2,1 a2,2 ........... a2,15 >>> 3 a3,1 a3,2 ........... a3,15 >>> 4 a4,1 a4,2 ........... a4,15 >>> . >>> . >>> . >>> 99 >>> 100 >>> >>> Any suggestions would be appreciated. >>> >>> Thanks >>> Xi >>> >>> >>> -- >>> View this message in context: >>> http://www.nabble.com/Converting-matrices-into-row-vectors-and-saving-as-ASCII-text-tp25523562p25523562.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. >> >> David Winsemius, MD >> Heritage Laboratories >> West Hartford, CT >> >> ______________________________________________ >> 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. >> >> > > -- > View this message in context: > http://www.nabble.com/Converting-matrices-into-row-vectors-and-saving-as-ASCII-text-tp25523562p25526729.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.
