kerry1912 wrote on 11/29/2011 09:51:34 AM:
> 
> I'm using a histogram and want to overlay this onto a barplot. I need 
the
> histogram lines to be thicker in order for it to stand out more on top 
of
> the barplot. Is there a command in order to do this?
> 
> Thanks in advance.



This topic has been discussed previously in r-help.  See below ...

Jean



http://tolstoy.newcastle.edu.au/R/e10/help/10/06/8175.html

From: Petr PIKAL 
Date: 11 Jun 2010

Hi

Look at the source code.

graphics:::plot.histogram

You can find that boxes are actually drawn by rect

So if you want to use standard graphics, you probably need to modify 
source code and set up your version of plot.histogram.

Maybe with ggplot2 package you can find some way how to do what you want 
but you shall check yourself.

Regards 
Petr
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