
How to best analyze ordinal data
The Effective Statistician - in association with PSI
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The Problem With CGIs
The CGI is the clinical global impression of whatever severity you're looking into. It's often measured from one to seven in terms of disease, or symptoms. The problem with that is actually that very often people confuse these numbers with real numbers. And forget that these are just representatives of states like "no disease" and "mild Symptoms"
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