1. Watch the Grouping and Summarizing Data Using dplyr video:

2. Do the Shrub Volume Aggregation Exercise

3. Watch the Combining Data From Two Tables Using Joins In dplyr video:

4. Do the Shrub Volume Join 1 exercise

5. Watch the Combining Data From More Than Two Tables video:

6. Do the Shrub Volume Join 2 exercise

7. Watch the Converting Between Data Frames and Vectors video:

8. Do the Extracting Vectors From Data Frames and Building Data Frames From Vectors exercises.

9. Do the rest of the Grouping & Joining Data assignment