Binning

The idea of binning is to group some values into a specific category, thus reducing the amount of unique values in a dataset.

For example, let's say we're creating a column of numbers, like so:

df = op.create.dataframe(A=[1,2,3,31,6,-21,np.nan,2,4,6])
          A
  (float64)
-----------
          1
          2
          3
         31
          6
        -21
        nan
          2
          4

Here, we can group the values in low, medium, and high bins. For this, we can use the cut method...