[R] cumulative frequency distribution plot

Spencer Graves spencer.graves at pdf.com
Tue Jun 24 20:38:59 CEST 2003


	  It depends on what you mean by that.  Consider the following:

 > x <- rnorm(100)
 > plot(x, pnorm(x))

	  This plot is a cdf of pseudo-normal data.

	  I've seen many people make these things, and I've never understoon 
what they see in these plots that they can't see better in a normal 
probability plot:

 > qqnorm(x, datax=T)

	  What can you see in the first type plot that is not so easily seen in 
the second?

Spencer Graves

Tommy E. Cathey wrote:
> Does R do cumulative frequency distribution plots?
> 
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> Tommy E. Cathey, Senior Scientific Application Consultant
> High Performance Computing & Scientific Visualization
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