Discuss how the ROC curve can be used to determine an appropriate threshold value for a classifier

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    Please Read Chapter 6 of textbook.

     

    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?

     

    Requirements:

     

    – Typed in a word document.

     

    – Please write in APA Style and include at least Five (5) reputable sources.

     

    – The complete paper should be between 800-to-1000-words. 

     

     

     

    Text book for Chapter 6 https://bhavanakhivsara.files.wordpress.com/2018/06/data-science-and-big-data-analy-nieizv_book.pdf 

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