Message-ID: <51B71515.1060604@yorku.ca>
Date: 2013-06-11T12:16:21Z
From: Michael Friendly
Subject: woby2 (Odds Ratio) for variables with 3 or more levels
In-Reply-To: <CANeAhkYvNju_1eCBmWg5Ss89p4BgiPvX6-Yd4C1vktKFa8Vqyg@mail.gmail.com>
You may want loddsratio in the vcdExtra package
On 6/10/2013 12:27 PM, Vlatka Matkovic Puljic wrote:
> Dear all,
>
> I am using Epi package to calculate Odds ratio in my bivariate analysis.
> How can I make *twoby2 *in variables that have 3 or more levels.
>
> For example:
> I have 4 level var (Age)
> m=matrix(c(290, 100,232, 201, 136, 99, 182, 240), nrow=4, ncol=2)
> library (Epi)
> twoby2(m)
>
> R gives me only
> Comparing : Row 1 vs. Row 2
>
> While I would like to have reference value in Row 1, and compare Row 2, Row
> 3 and Row 4 with it.
>
>
> Thanks for your help!
>
> [[alternative HTML version deleted]]
>
--
Michael Friendly Email: friendly AT yorku DOT ca
Professor, Psychology Dept. & Chair, Quantitative Methods
York University Voice: 416 736-2100 x66249 Fax: 416 736-5814
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