[R] questions about histogram

[Wenxia Li]

it's a frequency histogram. The total area of the bars is 1, and the  
area of each bar represents its frequency, i.e.  
25/50,10/50,10/50,5/50, respectively. And the width of the bars are  
different.

On Jan 28, 2009, at 5:50 PM, Wenxia Li wrote:

> Hi all,
>
> I'm a new R user. I have the following information about a data set  
> and how to make a histogram?
> data             number of observations
> 0-2                     25
> 2-10                  10
> 10-100             10
> 100-1000          5
>
> I tried barplot(height=...,width=...,...), the output looks right  
> but the x-axis is missing. How to fix it?
> Also can I use<hist> to draw it?
>
> Thanks!
>
> WX
>
>