Your files do not have data appropriate to your commands. Since you did not provide the data (see last line of every message to r-help) there is not much more that can be said.
On Sat, Sep 26, 2009 at 4:24 AM, e-letter <inp...@gmail.com> wrote: > I created separate text files for the 2 data sets. I enter the > following comands: > > library(zoo) > library(chron) > z1<-read.zoo(textConnection("/path/to/test1.txt"),header=FALSE,sep=",",FUN=times) > z2<-read.zoo(textConnection("/path/to/test2.txt"),header=FALSE,sep=",",FUN=times) > z3<-window(na.approx(merge(z1,z2)),time(z1)) > plot(z3$z1,z3$z2) > Error in plot.window(xlim, ylim, log, asp, ...) : > need finite 'xlim' values > In addition: Warning messages: > 1: no non-missing arguments to min; returning Inf in: min(x) > 2: no non-missing arguments to max; returning -Inf in: max(x) > 3: no non-missing arguments to min; returning Inf in: min(x) > 4: no non-missing arguments to max; returning -Inf in: max(x) > > The resultant graph window was blank, so I entered the following command > > plot(z3$z1,z3$z2,xlim=c(0,100),ylim=c(0,100)) > > The graph window showed y axis (labelled 'z3$z1') and x axis (labelled > 'Index'). > > I do not understand the instruction "...to use window to pick off..." > ______________________________________________ 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.