[R] Transparent colors OR two series on one histogram

Hi, I want to be able to plot a single histogram of a measured trait with trait values from two conditions on the same histogram to allow easy comparison. I have previously done this in excel by plotting the two series on a single bargraph having calculated frequencies in bins. You then get

Re: [R] Transparent colors OR two series on one histogram

On Thu, 10 Mar 2005, Nathaniel Street wrote: Hi, I want to be able to plot a single histogram of a measured trait with trait values from two conditions on the same histogram to allow easy comparison. I have previously done this in excel by plotting the two series on a single bargraph having