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:
['<=5.45', '>3.15', '<=2.45', '<=0.80', 'Iris-setosa']
['<=5.45', '(2.85, 3.15]', '<=2.45', '<=0.80', 'Iris-setosa']
['<=5.45', '>3.15', '<=2.45', '<=0.80', 'Iris-setosa']
