> I intend to draw a plot of y against x. In the background of this graph I > wish to creat a histogram of the horizontal variable x. Does any expert know > how to produce such a plot?
When constructing such a plot, you need to be careful that you don't end up constructing a pretty picture instead of a statistical graphic. In this case you need to ask yourself, what would the y-axis represent? What scale would it have? Hadley ______________________________________________ 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.