[R] Cumulative Density Plots (Hmisc/lattice)

Deepayan Sarkar deepayan.sarkar at gmail.com
Tue Jan 17 20:55:01 CET 2006

On 1/17/06, Mike Bock <mbock at environcorp.com> wrote:
> I have been using the ECDF function in the Hmisc package to produce
> cumulative distribution function plots. The problem is that for small
> datasets the steps "look bad" (not my characterization but from the
> client). Is there a way to get the same information but smoothed? I have
> tried the densityplot (lattice), which gives a smoothed line, but this
> does not give the cumulative density.

Have you tried qqmath, perhaps with distribution=qunif? Except for the
transposition, the idea behind the plots are similar.


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