Please provide comprehensive responses to the following: (a) In the use of a

 Please provide comprehensive responses to the following:
(a) In the use of a categorical variable with n possible values, explain the following:
    1. Why only n – 1 binary variables are necessary
    2. Why using n variables would be problematic
 
(b) Describe how logistic regression can be used as a classifier.
(c) Discuss how the ROC curve can be used to determine an appropriate threshold value for a classifier
(d) If the probability of an event occurring is 0.4, then
    1. What is the odds ratio?
    2. What is the log odds ratio? 

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(a) In the use of a appeared first on graduate paper help.

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