Abstract:Often in controlled comparative either prospective, retrospective or cross–sectional study involving matched samples of subjects or patients, the response of a subject or patient to a predisposing factor in a retrospective study or to a condition or treatment in a prospective study may be dichotomous. But there may also be several other possible response options other than dichotomous but numbering some c possible mutually exclusive response options or categories. Specifically , suppose we have a total rando… Show more
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