Original data set:
[5.1, 3.5, 1.4, 0.2, 'Iris-setosa']
[4.9, 3.0, 1.4, 0.2, 'Iris-setosa']
[4.7, 3.2, 1.3, 0.2, 'Iris-setosa']
Discretized data set:
['<=5.15', '>3.35', '<=1.55', '<=0.25', 'Iris-setosa']
['<=5.15', '(2.75, 3.05]', '<=1.55', '<=0.25', 'Iris-setosa']
['<=5.15', '(3.05, 3.35]', '<=1.55', '<=0.25', 'Iris-setosa']
