Spencer Graves writes: > There should be a caveat with psycho-visual experimentation: > Tufte (1983, p. 183) says that 5-10 percent of viewers are color > deficient or color blind.
The vischeck.com web site provides examples that show color-normal people what the world looks like to people with different color deficiencies; I found it fascinating. It even allows you to submit your own graphics to get an idea what they might look like to others. Now I might not have to bother my friend down the hall so often ... Debby ______________________________________________ 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
