Explanation:In some situations, the data generating mechanism can create predictors that only have a single unique value. 3. Which of the following function can be used to identify near zero-variance variables ?
A. ZeroVar
B. nearVar
C. nearZeroVar
D. All of the Mentioned
Answer:A
Explanation:In some situations, the data generating mechanism can create predictors that only have a single unique value. 3. Which of the following function can be used to identify near zero-variance variables ?
A. ZeroVar B. nearVar C. nearZeroVar D. All of the Mentioned
Explanation:The saveMetrics argument can be used to show the details and usually defaults to FALSE. 4. Which of the following function can be used to flag predictors for removal ?