1 / 5   Which one of the following is not part of data preparation as defined and taught in this course?

Forecasting Running queries Data cleaning Formatting the object

2 / 5   Which one is NOT a dplyr function for mutating joins?

middle_join inner_join left_join right_join

3 / 5   Which of the following analysis are incredibly hard to infer ?

Inferential Causal Exploratory Mechanistic

4 / 5   What function do you use in the caret package to determine the accuracy of your machine learning models?

confusionMatrix() predict() score() accuracy()

5 / 5   In the past, what all that much, the internet wasn't generating?

Data Things Intelligence Profit