On Tue, Feb 12, 2013 at 11:53 AM, Nick Cox <njcoxstata@gmail.com> wrote:
> This is way outside my experience, but I would not exclude plotting
> the data, seemingly unusual in this territory. In this case, -graph
> matrix- might be helpful but given the ordinal scale jittering would
> be essential.
Yes, absolutely, plotting is essential!
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