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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
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  • 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".

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