On Fri, 2 Apr 2004, Ken Knoblauch wrote: > A rainbow has a continuous distribution of wavelengths. These are > not at all the same thing as colors!
I did not say they were. However, a rainbow has infinitely many colours (it is show as an arc on a standard colour chart), and your statement about `not at all the same thing'. Note that R has a rainbow() function, and that too is nothing to do with wavelengths. > Quoting Prof Brian Ripley <[EMAIL PROTECTED]>: > > > > > You would do well to get people to recognize more than a dozen spot > > colours, too -- we are tuned to recognizing quite large blobs of colour. > > We see only about a dozen colours in a rainbow, which has infinitely many > > and they are adjacent. -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
