File pool_based_sampling.py

tests/example_tests/pool_based_sampling.py:None–None

"""
In this example the use of ActiveLearner is demonstrated on the iris dataset in a pool-based sampling setting.
For more information on the iris dataset, see https://en.wikipedia.org/wiki/Iris_flower_data_set
For its scikit-learn interface, see http://scikit-learn.org/stable/modules/generated/sklearn.datasets.load_iris.html