Re: [R] Changing point color/character in qqmath

Apologies once more, there was a slight error in our example. Here is a correct version of how to color the points in qqmath according to another variable. qqmath(~ yield | variety, data = barley, groups=year, auto.key=TRUE, prepanel = function(x, ...) { list(xlim = range(q

Re: [R] Changing point color/character in qqmath

Thanks to Deepayan, I have a corrected version of how to color points in a qqmath plot according to another variable. Using the barley data for a more concise example:: qqmath(~ yield | variety, data = barley, groups=year, auto.key=TRUE, prepanel = function(x, ...) { list(x

[R] Changing point color/character in qqmath

Having solved this problem, I am posting this so that the next time I search for how to do this I will find an answer... Using qqmath(..., groups=num) creates a separate qq distribution for each group (within a panel). Using the 'col' or 'pch' argument does not (usually) work because panel.qqmath