[R] correlation between categorical data
Dylan Beaudette
dylan.beaudette at gmail.com
Fri Jun 19 23:10:07 CEST 2009
Not an expert, but I would try some of the following:
# tabulate joint frequencies
?table
?xtabs
# plotting
mosaicplot(Titanic, main = "Survival on the Titanic", color = TRUE, shade=TRUE)
# log-linear models
check the library for more ideas.
Cheers,
Dylan
On Fri, Jun 19, 2009 at 2:04 PM, Michael<comtech.usa at gmail.com> wrote:
> Hi all,
>
> In a data-frame, I have two columns of data that are categorical.
>
> How do I form some sort of measure of correlation between these two columns?
>
> For numerical data, I just need to regress one to the other, or do
> some pairs plot.
>
> But for categorical data, how do I find and/or visualize correlation
> between the two columns of data?
>
> Thanks!
>
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