Converting data between DataFrame and Matrix

The DataFrames.jl package provides a vast array of procedures that allow you to manipulate tabular data with rows of heterogeneous types. However, you often have your data stored initially in a matrix. In this recipe, we discuss how you can convert such data to DataFrame. We also show how you can perform the reverse procedure, that is, transform the data from DataFrame to a value of a standard Matrix type available in Julia.

Getting ready

Make sure that you have the DataFrames.jl package installed. You can check this by writing this in the Julia command line:

julia> using DataFrames

If this command fails, then add the DataFrames.jl package, in accordance with the instructions...