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Exercise

Variable names

In the previous question, we saw the different variables that are a part of this dataset from the output of the str() function. The function names() is specifically designed to extract the column names from a data frame.

Instructions
100 XP

For this question, we will use the names() function to extract the column names of the murders data frame.

  • What are the column names used by the murders data frame for the five variables?
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