[R] Help needed with Waterfall plot

[Jim Lemon]

Philip Twumasi-Ankrah wrote:
> Hi friends,
> I need suggestions/directions on how to producing a waterfall plot for present extend of change in tumour size for a set of respondents in a study.  Example of use of waterfall plot is in the following slides presented at ASCO 2007 by Axel Grothey. 
Hi Philip,
The stackpoly function in the plotrix package almost does what you want. 
I think I can knock it into a waterfall plot function without too much 
trouble. I'll get back to you by tomorrow evening (in Australia).

Jim