Re: [R] categorical data analysis

From: David Winsemius <dwinsemius_at_comcast.net>
Date: Wed, 07 May 2008 14:25:56 +0000 (UTC)

"Greg Snow" <Greg.Snow_at_imail.org> wrote in news:B37C0A15B8FB3C468B5BC7EBC7DA14CC60EDD50DBA_at_LP-EXMBVS10.CO.IHC.COM:

> The last example in ?fisher.test is not a 2x2 table, in fact it uses
> levels with a natural ordering similar to the original question.
> Why would this not be applicable to the situation?

Apologies. Clearly I misunderstood the R implementation. My parsing of the fisher.test code (influenced by having just read the Campbell article) lead me to erroneously conclude that it was only applicable to 2x2 tables. I see now that the error message says "_at_least_ 2 rows and columns" and that the error check is an inquality.

-- 
David Winsemius

>
> ________________________________________
> From: r-help-bounces_at_r-project.org [r-help-bounces_at_r-project.org] On
> Behalf Of David Winsemius [dwinsemius_at_comcast.net] Sent: Wednesday,
> May 07, 2008 7:34 AM To: r-help_at_stat.math.ethz.ch
> Subject: Re: [R] categorical data analysis
>
> Simon Blomberg <s.blomberg1_at_uq.edu.au> wrote in
> news:1210130089.9048.11.camel_at_sib-sblomber01d.sib.uq.edu.au:
>
>> But see these posts: >> >>
http://finzi.psych.upenn.edu/R/Rhelp02a/archive/119079.html >> >> http://finzi.psych.upenn.edu/R/Rhelp02a/archive/119080.html >> >> Simon.
>
> Interesting reading, but the OP specifically said he was not dealing
> with 2x2 tables, so neither fisher.test nor the suggested
> alternatives would be applicable to his data situation.
>
> --
> David Winsemius
>
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Received on Wed 07 May 2008 - 15:31:35 GMT

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