(a) In the usage of a categorical variable with n attainable values, clarify the next:
1. Why solely n – 1 binary variables are obligatory
2. Why utilizing n variables can be problematic
(b) Describe how logistic regression can be utilized as a classifier.
(c) Focus on how the ROC curve can be utilized to find out an acceptable threshold worth for a classifier
(d) If the chance of an occasion occurring is zero.four, then
1. What’s the odds ratio?
2. What’s the log odds ratio?…Get Science homework help at the moment
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