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fenago
81 lines
2.4 KiB
Python
81 lines
2.4 KiB
Python
import unittest
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import import_ipynb
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import pandas as pd
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import pandas.testing as pd_testing
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import numpy.testing as np_testing
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import pandas as pd
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from sklearn.model_selection import train_test_split
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from sklearn.preprocessing import StandardScaler
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from sklearn.linear_model import LinearRegression
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from sklearn.metrics import mean_squared_error
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class Test(unittest.TestCase):
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def setUp(self):
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import Exercise9_01
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self.exercises = Exercise9_01
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self.file_url = '../Dataset/phpYYZ4Qc.csv'
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self.df = pd.read_csv(self.file_url)
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self.y = self.df.pop('rej')
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self.X_train, self.X_test, self.y_train, self.y_test = train_test_split(self.df, self.y, test_size=0.3, random_state=1)
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self.scaler = StandardScaler()
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self.X_train = self.scaler.fit_transform(self.X_train)
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self.X_test = self.scaler.transform(self.X_test)
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self.lr_model = LinearRegression()
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self.lr_model.fit(self.X_train, self.y_train)
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self.preds_train = self.lr_model.predict(self.X_train)
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self.preds_test = self.lr_model.predict(self.X_test)
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self.train_mse = mean_squared_error(self.y_train, self.preds_train)
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self.test_mse = mean_squared_error(self.y_test, self.preds_test)
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self.coef_df = pd.DataFrame()
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self.coef_df['feature'] = self.df.columns
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self.coef_df['coefficient'] = self.lr_model.coef_
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def test_file_url(self):
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self.assertEqual(self.exercises.file_url, self.file_url)
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def test_df(self):
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pd_testing.assert_frame_equal(self.exercises.df, self.df)
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def test_y(self):
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np_testing.assert_array_equal(self.exercises.y , self.y)
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def test_X_train(self):
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np_testing.assert_array_equal(self.exercises.X_train , self.X_train)
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def test_X_test(self):
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np_testing.assert_array_equal(self.exercises.X_test, self.X_test)
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def test_y_train(self):
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np_testing.assert_array_equal(self.exercises.y_train , self.y_train)
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def test_y_test(self):
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np_testing.assert_array_equal(self.exercises.y_test , self.y_test)
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def test_preds_train(self):
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np_testing.assert_array_equal(self.exercises.preds_train , self.preds_train)
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def test_preds_test(self):
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np_testing.assert_array_equal(self.exercises.preds_test, self.preds_test)
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def test_train_mse(self):
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self.assertEqual(self.exercises.train_mse, self.train_mse)
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def test_test_mse(self):
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self.assertEqual(self.exercises.test_mse, self.test_mse)
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def test_coef_df(self):
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pd_testing.assert_frame_equal(self.exercises.coef_df, self.coef_df)
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if __name__ == '__main__':
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unittest.main()
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