Need Assignment 4-data

https://bhavanakhivsara.files.wordpress.com/2018/06/data-science-and-big-data-analy-nieizv_book.pdf

Question:

 For your midterm assignment, please make sure to read Chapter 6 of your 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.