18 lines
777 B
C++
18 lines
777 B
C++
/**
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* Copyright by XGBoost Contributors 2017-2022
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*/
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#include "xgboost/tree_model.h" // RegTree
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namespace xgboost {
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/**
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* \brief calculate the feature contributions (https://arxiv.org/abs/1706.06060) for the tree
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* \param feat dense feature vector, if the feature is missing the field is set to NaN
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* \param out_contribs output vector to hold the contributions
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* \param condition fix one feature to either off (-1) on (1) or not fixed (0 default)
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* \param condition_feature the index of the feature to fix
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*/
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void CalculateContributions(RegTree const &tree, const RegTree::FVec &feat,
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std::vector<float> *mean_values, bst_float *out_contribs, int condition,
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unsigned condition_feature);
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} // namespace xgboost
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