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  5. Data Manipulation with dplyr

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Filtering for conditions

You use the filter() verb to get only observations that match a particular condition, or match multiple conditions.

说明 1 / 共 2 个

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  • 1

    Find only the counties that have a population above one million (1000000).

  • 2

    Find only the counties in the state of California that also have a population above one million (1000000).