Exercise

Unnesting your data

As you've seen in the previous exercise, a nested dataframe is simply a way to shape your data. Essentially taking the group_by() windows and packaging them in corresponding rows.

In the same way you can use the nest() function to break your data into nested chunks, you can use the unnest() function to expand the dataframes that are nested in these chunks.

Instructions

100 XP

Use unnest() on the gap_nested dataframe to take a nested column and expand it into a new dataframe and save it as gap_unnested.
Make sure that gapminder and gap_unnested are identical by using the identical() function.

Take Hint (-30 XP)