Histogram for grouped data in R

Le ven. 23 janv. ? 08:55, darthgervais a ?crit :

I have grouped data in this format

Size  -- Count
0-10 --  15
10-20 -- 25
20-50 -- 10
50-100 -- 5

I've been trying to find a way to set this up with the proper  
histogram
heights, but can't seem to figure it out. So any help would be much
appreciated!

Define your data as a "grouped.data" object using the function of the  
same name in package actuar. Then you can simply use hist() as usual  
to get what you want. See:

@Article{Rnews:Goulet+Pigeon:2008,
  author = {Vincent Goulet and Mathieu Pigeon},
  title = {Statistical Modeling of Loss Distributions Using actuar},
  journal = {R News},
  year = 2008,
  volume = 8,
  number = 1,
  pages = {34--40},
  month = {May},
  url = http, pdf = Rnews2008-1 }

HTH

---
   Vincent Goulet
   Acting Chair, Associate Professor
   ?cole d'actuariat
   Universit? Laval, Qu?bec
   Vincent.Goulet at act.ulaval.ca   http://vgoulet.act.ulaval.ca