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For a long time,binary logistic regression analysis has had its appications in many filds,such as social science,behavior science,public health,etc.Polychotomous logistic regression analysis is the extension of binary logistic regression analysis.There is not much research done about this topic in Taiwan now.This is partly because of the complexity of applications of polychotomous logistic regression analysis.The goal of this paper is to apply polychotomous logistic regression analysis to three data in order to know more about it.In this paper,we use three data to do polychotomous logistic regression analysis.Model papameters estimation,odds ratio,model diagnostics and goodness of fit test are included in the analysis.By introducing and analyzing three data completely and in detail,we hope that by supplying a practical example it will become an important reference in the associated fields.
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