The accompanying file contains 80 observations with the binary target variable y along with the predictor variables
Question:
The accompanying file contains 80 observations with the binary target variable y along with the predictor variables x1, x2, x3, and x4.
a. Perform KNN analysis on the data set. What is the optimal value of k?
b. What is the misclassification rate for the optimal k?
c. Report the accuracy, specificity, sensitivity, and precision rates for the test data set (for Analytic Solver) or validation data set (for R).
d. What is the area under the ROC curve (or the AUC value)?
e. Score the new observations in the Exercise_9.3_Score worksheet. What is the predicted response value of the first observation?
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a The optimal vale of k is 6 b The misclassification rate associate...View the full answer
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