Exercise

Filtering rows using logical vectors

In this exercise, you'll use expressions that evaluate to a logical vector to filter rows in a data.table. All rows that evaluate to TRUE will be returned.

Note that you can refer to column names directly, without the need for the $ operator.

Instructions 1/4

XP

1
Filter all the rows where start_station is "MLK Library".
2
Filter all rows where start_station is "MLK Library" and duration is greater than 1600.
3
Filter all rows where the column subscription_type is not "Subscriber".
4
Filter all rows where start_station is "Ryland Park" and subscription_type is not "Customer".