[R] Graphics question: How to create a changing "smudge factor" for overlapping lines?

[Hadley Wickham]

> My current solution is to use a constant jitter (based on "seq") on all the
> k number of clusters, but that causes glitches in the produced image (run my
> code to see).

What are the glitches?  It looks pretty good to me.  (I'm not sure if
the colour does anything apart from make it pretty though).

Hadley

-- 
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/