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For Q2, you will use logistic regression to segment customers into two classes. This question is adapted from a Kaggle contest to evaluate current customers
For Q2, you will use logistic regression to segment customers into two classes. This question is adapted from a Kaggle contest to evaluate current customers for an auto dealership that is opening a new location. The dealership wishes to reliably segment customers in order to streamline marketing efforts when their new location opens. The data for these questions is contained in the file, auto_customers_two_segments.csv, which includes the following fields:
- ID : Unique ID created by dealership (Removed from data_Q2)
- Gender : Gender of the customer
- Ever_Married : Marital status of the customer
- Age : Age of the customer
- Graduated : Is the customer a college graduate?
- Profession : Profession of the customer
- Work_Experience : Work experience in years
- Spending_Score : Spending score of the customer.
- Family_Size : Number of family members (including customer)
- Segmentation : The marketing segment the customer is in.
Predict the accuracy of the model for each cutoff probability value. (2 Points)
- Cutoff Probability Values : (0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8)
- Classify each predicted value as 1 (positive/success) or 0 (negative/failure) using the cutoff probability value as a boundary.
- Compare predicted class to expected class for each data point to calculate accuracy:Accuracy=(TP+TN)(TP+TN+FP+FN)
- Round to three decimal places (e.g., 0.456).
- You will have 7 calculations for accuracy here. One for each cutoff probability value.
- NOTE : The cutoff probability value is NOT the same as the p-value when evaluating the significance of coefficients in the logistic regression model. The cutoff probability value is only used to classify predictions.
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