Try this: plot(z, xaxt = "n") xt <- paste("23", seq(5, 50, 5), sep = ":") axis(1, times(paste(xt, 0, sep = ":")), xt)
On 11/8/06, Carmen Meier <[EMAIL PROTECTED]> wrote: > Hi to all, > I have some problems to get the times-scale to the x-axis the times are > coming from an excel sheet f. e > [1] "0:01:00" "0:02:00" "0:03:00" "0:04:00" "0:05:00" "0:06:00" "0:07:00" > [8] "0:08:00" "0:09:00" "0:10:00" "0:11:00" "0:12:00" "0:13:00" "0:14:00" > [15] "0:15:00" "0:16:00" "0:17:00" "0:18:00" "0:19:00" "0:20:00" "0:21:00" > [22] "0:22:00" "0:23:00" "0:24:00" "0:25:00" "0:26:00" "0:27:00" "0:28:00" > [29] "0:29:00" "0:30:00" "0:31:00" "0:32:00" "0:33:00" "0:34:00" "0:35:00" > [36] "0:36:00" "0:37:00" "0:38:00" "0:39:00" "0:40:00" "0:41:00" "0:42:00" > [43] "0:43:00" "0:44:00" "0:45:00" "0:46:00" "0:47:00" "0:48:00" "0:49:00" > [50] "0:50:00" > > I found the solution from tread > http://finzi.psych.upenn.edu/R/Rhelp02a/archive/71234.html > with an very good result: > /> ># test data / > /> >tt <- c("23:05:02", "23:10:02", "23:15:03", "23:20:03", "23:25:03", / > /> >"23:30:03", "23:35:03", "23:40:03", "23:45:04", "23:50:04", > "23:55:03", / > /> >"23:55:03") / > /> >x <- c(0.575764, 0.738379, 0.567414, 0.663436, 0.599834, 0.679571, / > /> >0.88141, 0.868848, 0.969271, 0.878968, 0.990972, 0.990972) / > /> > / > /> >library(zoo) / > /> >library(chron) / > /> >z <- zoo(x, times(tt)) / > /> >plot(z) / > /> > / > but I am unable to use the axis command for that issue: > how could I change the axis(1, xaxp=c(0,50,5),font=2) that I will > get a changeable amount of x-axis entries with a time format hr:min > > par(cex=1.2,lwd=1) > range(x <- c(0,50)) > range(y <- c(0,10)) > plot(x,y, type="n",adj=0, asp=0, xlab="", > ylab="",axes=FALSE,font.axis=2) > axis(1, xaxp=c(0,50,5),font=2) > axis(2, 0:10,font=2) > box() > > > > Thank`s in advance > > Carmen > > ______________________________________________ > R-help@stat.math.ethz.ch 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@stat.math.ethz.ch 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.