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Data Manipulation in R

Introduction
Reading from a file
6. Check the data types
Reading from an Excel file
Summary

Instruction

We have the Thunder Rock information in memory, so we can check its structure using the str() function. It looks like this:

str(report_thunderrock)

Exercise

Use the str() function to check the structure of the Iron Mountain Mineshaft report (the iron_mountain_mineshaft variable). What's the data type in the name columns?