Understanding how to check the contents of DataFrame after creating it is an essential aspect of working with data. In this recipe, we explain what features of the DataFrames.jl package make this task easy.
Investigating the contents of a data frame
Getting ready
Make sure that you have the DataFrames.jl package installed. If it is missing, install it by running the commands using Pkg; Pkg.add("DataFrames") in the Julia command line.
In the GitHub repository for this recipe, you will find the commands.txt file, which contains the presented sequence of shell and Julia commands.
Now, open your favorite terminal to execute the commands.