State joins capitals
You would like to join the wages DataFrame with the state_info DataFrame, which contains information about the states, such as capital, area, and so on. Let's get to it!
There are two versions of the state_info dataset:
state_infocontaining thestatecolumn;state_info_original, the original version, which contains theStatecolumn.
The DataFrames package has been loaded, along with the wages, state_info, and state_info_original DataFrames.
本练习是课程的一部分