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.
