Explanation:featurePlot is used for data visualization in caret. 2. Point out the wrong statement:
A. In every situation, the data generating mechanism can create predictors that only have a single unique value
B. Predictors might have only a handful of unique values that occur with very low frequencies
C. The function findLinearCombos uses the QR decomposition of a matrix to enumerate sets of linear combinations
D. All of the Mentioned
Answer:A
Explanation:featurePlot is used for data visualization in caret. 2. Point out the wrong statement:
A. In every situation, the data generating mechanism can create predictors that only have a single unique value B. Predictors might have only a handful of unique values that occur with very low frequencies C. The function findLinearCombos uses the QR decomposition of a matrix to enumerate sets of linear combinations D. All of the Mentioned
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 ?