Question
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
Posted under Machine Learning Data Science
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. Point out the wrong statement.
Similar Questions
Discover Related MCQs
Q. Which of the following function can be used to identify near zero-variance variables?
View solution
Q. Which of the following function can be used to flag predictors for removal?
View solution
Q. Point out the correct statement.
View solution
Q. Which of the following can be used to impute data sets based only on information in the training set?
View solution
Q. The function preProcess estimates the required parameters for each operation.
View solution
Q. Which of the following can also be used to find new variables that are linear combinations of the original set with independent components?
View solution
Q. Which of the following function is used to generate the class distances?
View solution
Q. The preProcess class can be used for many operations on predictors.
View solution
Q. varImp is a wrapper around the evimp function in the _______ package.
View solution
Q. Point out the wrong statement.
View solution
Q. Which of the following curve analysis is conducted on each predictor for classification?
View solution
Q. Which of the following function tracks the changes in model statistics?
View solution
Q. Point out the correct statement.
View solution
Q. Which of the following model model include a backwards elimination feature selection routine?
View solution
Q. The advantage of using a model-based approach is that is more closely tied to the model performance.
View solution
Q. Which of the following model sums the importance over each boosting iteration?
View solution
Q. Which of the following argument is used to set importance values?
View solution
Q. For most classification models, each predictor will have a separate variable importance for each class.
View solution
Q. Which of the following is the valid component of the predictor?
View solution
Q. Point out the wrong statement.
View solution
Suggested Topics
Are you eager to expand your knowledge beyond Data Science? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!
