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Added test for regression ysing Boston Housing dataset

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terrytangyuan 2015-10-04 23:04:23 -05:00
parent d20bfb12e4
commit 412310ed04
1 changed files with 11 additions and 2 deletions
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13
tests/python/test_with_sklearn.py
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@ -33,7 +33,16 @@ def test_multiclass_classification():
err = sum(1 for i in range(len(preds)) if int(preds[i]>0.5)!=labels[i]) / float(len(preds))
assert err < 0.3
def test_boston_housing_regression():
boston = load_boston()
y = boston['target']
X = boston['data']
kf = KFold(y.shape[0], n_folds=2, shuffle=True, random_state=rng)
for train_index, test_index in kf:
xgb_model = xgb.XGBRegressor().fit(X[train_index],y[train_index])
preds = xgb_model.predict(X[test_index])
labels = y[test_index]
assert mean_squared_error(preds, labels) < 9
test_boston_housing_regression()