Hi Peter, Have you tried: a_fetchdata<-format(a_fetchdata,"%Y-%m-%d %H:%M:%S")
before writing the data? Jim On Thu, Mar 10, 2016 at 10:14 PM, Peter Neumaier <peter.neuma...@gmail.com> wrote: > Hi all, sorry for double/cross posting, I have sent an initial, similar > question > accidentally to r-sig-finance. > > I am writing a matrix (typeof = double) into a CSV file with write.csv. > > My first column of the matrix is a date in the form yyyy-mm-dd hh:mm:ss: > >> a_fetchdata[1,0] > > 2016-02-09 07:30:00 >> typeof(a_fetchdata[1,0]) > [1] "double" > > My CSV file contains a sequence of integers (from 1 to x) instead of the > expected date. > > I tried to convert, but ran into "Error in dimnames": > >> as.character(first_fetchdata[1,0]) > Error in dimnames(cd) <- list(as.character(index(x)), colnames(x)) : > 'dimnames' applied to non-array > Called from: as.matrix.xts(x) > Browse[1]> c >> > > a) How can I prevent the conversion into integers to happen when writing > into CSV? > b) if a) is not do-able: how can I convert the date in double format to > chars (i.e. with as.character) ? > > Thanks in advance, > Peter > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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 -- To UNSUBSCRIBE and more, see 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.