From Kurt.Hornik@ci.tuwien.ac.at  Wed Aug 13 09:13:23 1997
From: Kurt.Hornik@ci.tuwien.ac.at (Kurt Hornik)
Date: Wed, 13 Aug 1997 10:13:23 +0200
Subject: R-alpha: plotting empirical distribution function -- plot.step
In-Reply-To: <199708130808.KAA00695@ingrid.ethz.ch>
References: <199708130754.JAA01185@aragorn.ci.tuwien.ac.at>
 <199708130808.KAA00695@ingrid.ethz.ch>
Message-ID: <199708130813.KAA01217@aragorn.ci.tuwien.ac.at>

>>>>> Martin Maechler writes:

>>>>> "Kurt" == Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at> writes:
> 	.............

Kurt> What's also needed is something to produce and plot empirical
Kurt> distribution functions.  I thought I could write something for my
Kurt> Biostat course last semester, but it never happened ...

> Maybe I  REALLY should   have my  'plot.step'  function  put into R.

> It does empirical distribution functions and quite a bite more..
> Just need a little time to fixup the man page and do a few more
> tests..

Martin,

Your plot.step should definitely come with R.  The question is, should
there be a class `step' or something similar?  Is there a generic way of
representing step functions?  Then having e.g. print and plot for ECDF
would be automatic, which would be very nice, imho.

-k
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R-alpha: plotting empirical distribution function -- plot.step
Kurt Hornik