plot(....) par(new=TRUE) plot(...) axis(4,...) On 8/5/07, Patrick Martin <[EMAIL PROTECTED]> wrote: > Dear R help list members, > > I am trying to plot two sets of data (both of which are zoo objects) > in the same graph using two separate y-axes with different scales, > with the x-axis consisting of dates. I have simply used a plot() > command to plot first one set of data, and then added the second set > with lines(). I have also tried to add a further y-axis (at side=4), > but this simply comes up with the same scale as the first y-axis. I > somehow need to 'associate' one of the data sets with the second y- > axis, such that it will scale sensibly (my first data set ranges from > 0-25, the second one from 0 to 40). The problem is compounded by the > fact that the two data sets have very different frequencies: one > consists of twice-monthly measurements, the other of hourly > measurements. I would be very grateful for advice on how to do this. > > Thanks in advance, > Patrick Martin > > ______________________________________________ > 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. >
-- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? ______________________________________________ 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.