Try: y <- 1:length(sam4) # test data dd <- as.Date(sam4, "%m/%d/%y") plot(dd, y)
# also try this library(zoo) z <- zoo(y, dd) plot(z) Also read, from earlier today: https://www.stat.math.ethz.ch/pipermail/r-help/2006-April/092471.html On 4/17/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > Dear R-help, > I am having problems with plotting converted dates in chronological as Mar-03, > May-03...Jul-04. > My script is: > > sam4<-c("03/03/01","03/05/01","03/07/01","03/09/01","03/11/01","04/01/01","04/03/01","04/05/01","04/07/01") > sam5<-strptime(sam4,format="%y/%m/%d") > f<-data.frame(sam5,mkf) > plot(f,type="l") > # This works ok, but none of the labels appear on the x-axis, so I thought I > would convert them using > # as.POSIXct: > > sam6<-format(as.POSIXct(sam5), "%b-%y") > mon<-factor(as.character(sam6),levels=sam6) > f2<-data.frame(mon,mkf) > plot(f2,type="l") > > The problem is that plot(f2,type="l") no longer produces a line plot... > > Any help with this would be gratefully appreciated. > > Best wishes, > Sion > > > -- > Siôn Roberts > > Department of Geography, > Queen Mary, University of London, > London, > E1 4NS. > > Tel: +44 20 7882 5400 > http://www.geog.qmul.ac.uk/postgraduate/student/roberts.html > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
