# The accompanying file contains 60 observations with the binary target variable y along with the predictor variables

## Question:

The accompanying file contains 60 observations with the binary target variable y along with the predictor variables x_{1} and x_{2}.

a. Perform KNN analysis. What is the optimal value of k?

b. Report the accuracy, specificity, sensitivity, and precision rates for the test data set (for Analytic Solver) or validation data set (for R).

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## Business Analytics Communicating With Numbers

**ISBN:** 9781260785005

1st Edition

**Authors:** Sanjiv Jaggia, Alison Kelly, Kevin Lertwachara, Leida Chen