The accompanying file contains 2,000 observations with the binary target variable y along with the predictor variables
Question:
The accompanying file contains 2,000 observations with the binary target variable y along with the predictor variables x1, x2, and x3.
a. Perform KNN analysis on the data set. What is the optimal value of k?
b. Report the accuracy, specificity, sensitivity, and precision rates and the AUC value for the test data set (for Analytic Solver) or validation data set (for R).
c. Compare the specificity and sensitivity rates and comment on the performance of the KNN classification model.
d. Display the cumulative lift chart, decile-wise lift chart, and ROC curve.
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Step by Step Answer:
a The optimal vale of k is 9 b Cutoff Value 50 Using the test data set Accuracy rate 915 Specificity 09564 Sensitivity 04545 Precision 04839 AUC 08839 ...View the full answer
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Rustia Melrod
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