◷  2 hours to complete
❲▹❳  4 videos (Total 31m)
☷  4 interactive readings
✑  4 exercises (Total 16 questions)

In this lesson, we will see various ways of filtering, especially using a boolean condition.  We will also see how to group a certain element in a dataset--and also from outside of the dataset.

▸ Lesson 2 Code Summary PDF