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.
