Re: Categorical Data Help
- From: "Ray Koopman" <koopman@xxxxxx>
- Date: 12 Dec 2005 23:40:14 -0800
mkalyan79@xxxxxxxxx wrote:
> Hi,
>
> I had a query related to categorical data analysis,
>
> As in case of numeric data we have mean and covariance. How does this
> map to categorical data. Does categorical data have a mean ( or it is
> really the mode) and what in case of covariance.
>
> I presume these definition apply to even catergorical data, so if there
> is a huge dataset with categorical data in it , how should we go about
> calculating the mean(mode) for categorical data and the covariance of
> the data.
>
> For numeric data as there are standard forumales to do that.
>
> Thanks in advance,
> Kalyan
Cramer's phi = the rms canonical correlation between the dummy-coded
X-categories and the dummy-coded Y-categories.
.
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- Categorical Data Help
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