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from sklearn.model_selection import cross_val_score |
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from sklearn.ensemble import GradientBoostingRegressor, RandomForestRegressor |
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from sklearn.datasets import load_boston |
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from hyperactive import Hyperactive |
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# import the ProgressBoard |
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from hyperactive.dashboards import ProgressBoard |
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data = load_boston() |
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X, y = data.data, data.target |
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def model_gbr(opt): |
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gbr = GradientBoostingRegressor( |
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n_estimators=opt["n_estimators"], |
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max_depth=opt["max_depth"], |
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min_samples_split=opt["min_samples_split"], |
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) |
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scores = cross_val_score(gbr, X, y, cv=5) |
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return scores.mean() |
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def model_rfr(opt): |
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gbr = RandomForestRegressor( |
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n_estimators=opt["n_estimators"], |
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min_samples_split=opt["min_samples_split"], |
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min_samples_leaf=opt["min_samples_leaf"], |
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) |
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scores = cross_val_score(gbr, X, y, cv=5) |
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return scores.mean() |
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search_space_gbr = { |
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"n_estimators": list(range(30, 200, 5)), |
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"max_depth": list(range(2, 12)), |
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"min_samples_split": list(range(2, 22)), |
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} |
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search_space_rfr = { |
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"n_estimators": list(range(10, 100, 1)), |
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"min_samples_split": list(range(2, 22)), |
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"min_samples_leaf": list(range(2, 22)), |
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} |
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# create an instance of the ProgressBoard |
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progress_board1 = ProgressBoard() |
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""" |
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Maybe you do not want to have the information of both searches on the same browser tab? |
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If you want to open multiple progres board tabs at the same time you can just create |
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as many instances of the ProgressBoard-class as you want and pass it two the corresponding |
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searches. |
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""" |
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# progress_board2 = ProgressBoard() |
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""" |
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uncomment the line above and pass progress_board2 |
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to one .add_search(...) to open two browser tabs at the same time |
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""" |
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hyper = Hyperactive() |
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hyper.add_search( |
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model_gbr, |
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search_space_gbr, |
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n_iter=200, |
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n_jobs=2, # the progress board works seamlessly with multiprocessing |
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progress_board=progress_board1, # pass the instance of the ProgressBoard to .add_search(...) |
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) |
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# if you add more searches to Hyperactive they will appear in the same progress board |
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hyper.add_search( |
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model_rfr, |
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search_space_rfr, |
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n_iter=200, |
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n_jobs=4, |
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progress_board=progress_board1, |
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) |
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# a terminal will open, which opens a dashboard in your browser |
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hyper.run() |
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