Message-ID: <41994EF4.8090402@vanderbilt.edu>
Date: 2004-11-16T00:51:00Z
From: Frank E Harrell Jr
Subject: Barplot difficulties
In-Reply-To: <419943CC.1060708@pdq.com>
Heather J. Branton wrote:
> Hello. I am an R newbie struggling to learn and use R . I have read many
> portions of the R Reference Manual, as well as the FAQs. Given that I
> learn something new each time, I know I might be missing something
> obvious. But I appeal to your good nature to help me through this
> initial problem.
>
> I have attached a pdf file to demonstrate what I desire and have listed
> what my data looks like in Excel (below). Following is the data and
> script I developed - which does not provide what I want.
....
Dear Heather - Please read Bill Cleveland's book The Elements of
Graphing Data. A MUCH better plot can be produced. And let time be one
of the first variables to vary.
--
Frank E Harrell Jr Professor and Chair School of Medicine
Department of Biostatistics Vanderbilt University