Feature interactions #10
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trivialfis
reviewed
Sep 24, 2020
| GPUTreeShapInteractions(X, path.begin(), path.end(), 1, phis.data().get(), | ||
| phis.size()); | ||
| std::vector<float> result(phis.begin(), phis.end()); | ||
| std::vector<float> expected_result = { |
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How did you come up with these?
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It's from a simple xgboost tree, I added a comment showing the tree structure.
| @@ -173,34 +174,93 @@ TEST_P(ShapSumTest, ShapSum) { | |||
| } | |||
| } | |||
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| class ShapInteractionsSumTest : public ::testing::TestWithParam< | |||
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Feels pretty clunky compared to hypothesis but it gets us more coverage at least.
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Implements new API function with shap feature interactions.