[R] Contingency table in R

[Ista Zahn]

Hi Laura,

On Wed, Mar 2, 2011 at 9:13 AM, Laura Clasemann <violagirl470 at msn.com> wrote:
>
> Hi,
>
> I have a table in R with data I needed and need to create a contingency table out of it. The table I have so far looks like this:
>
>
>                   Binger
> r
> DietType     No Yes
>  Dangerous  15  12
>  Healthy    52   9
>  None      134  24
>  Unhealthy  72  23
>
> These are the error messages that I keep getting whenever I try to get a contingency table. I'm not sure why it won't work for me, any help would be appreciated!
>> nametable<-table(excat,recat)
> Error in table(excat, recat) : object 'excat' not found

That error seems pretty clear. The table function can't find the excat
data. Is it in a data.frame or a list? Perhaps ?with will point you in
the rigth direction.

Best,
Ista

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-- 
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org