1 / 5   With data-driven decision making, organizations use data for what purpose?

To make all non-trivial business decisions To spy on their competition To manipulate people into buying things they don't need To sell to 3rd parties for a profit

2 / 5   Which function is suitable to copy and paste data snippets into R?

scan paste plot lm

3 / 5   In the past, what all that much, the internet wasn't generating?

Data Things Intelligence Profit

4 / 5   If you want to convert from wide to long form with the package reshape2 you use the function:

melt freeze subset corr

5 / 5   What can you do with the 'by' parameter of a data.table?

Group the output table Select a specific column Add an extra row to your dataset Connect several filter criteria