1 / 5 Which one of the following is not part of data preparation as defined and taught in this course?
2 / 5 Which one is NOT a dplyr function for mutating joins?
3 / 5 Which of the following analysis are incredibly hard to infer ?
4 / 5 What function do you use in the caret package to determine the accuracy of your machine learning models?
5 / 5 In the past, what all that much, the internet wasn't generating?