[MRG+2] FIX: force consistency outputs of DummyClassifier's predict_proba when strategy is stratified - #13266
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glemaitre merged 3 commits intoFeb 26, 2019
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LGTM. Could you add an entry to the what's new since it is impacting the end-user.
| model.fit(X, y) | ||
| probas = model.predict_proba(X) | ||
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| assert probas.dtype == np.float |
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| assert probas.dtype == np.float | |
| assert probas.dtype == np.float64 |
| y = [0, 2, 1, 1] | ||
| X = [[0]] * 4 | ||
| model = DummyClassifier(strategy=strategy, random_state=0, constant=0) | ||
| model.fit(X, y) |
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| model.fit(X, y) | |
| probas = model.fit(X, y).predict_proba(X) |
| ]) | ||
| def test_dtype_of_classifier_probas(strategy): | ||
| y = [0, 2, 1, 1] | ||
| X = [[0]] * 4 |
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| X = [[0]] * 4 | |
| X = np.zeros(4) |
| assert_array_equal(predictions1, predictions2) | ||
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| @pytest.mark.parametrize("strategy", [ |
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| @pytest.mark.parametrize("strategy", [ | |
| @pytest.mark.parametrize( | |
| "strategy", ["stratified", "most_frequent", "prior", "uniform", "constant"] | |
| ) |
If it fits on the 80 characters it would be more compact
glemaitre
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Feb 26, 2019
| :user:`William de Vazelhes<wdevazelhes>`. | ||
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| :mod:`sklearn.dummy` | ||
| .................................... |
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| .................................... | |
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glemaitre
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Feb 26, 2019
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LGTM apart of long line in whats new |
agramfort
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Thanks Christos!!!
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xhluca
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xhluca
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…en strategy is stratified (scikit-learn#13266)" This reverts commit b755027.
xhluca
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…en strategy is stratified (scikit-learn#13266)" This reverts commit b755027.
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What does this implement/fix? Explain your changes.
The DummyClassifier's
predict_probamethod returns afloat64array in all strategies except the stratified strategy which returns aint32array.