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added code for instance based weighing for rank objectives (#3379)

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* added code for instance based weighing for rank objectives

* Fix lint
This commit is contained in:
ngoyal2707
2018-06-22 15:10:59 -07:00
committed by Philip Hyunsu Cho
parent d062c6f61b
commit 5cd851ccef
5 changed files with 85 additions and 10 deletions
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39
tests/cpp/helpers.cc
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@@ -41,17 +41,13 @@ std::string CreateBigTestData(size_t n_entries) {
return tmp_file;
}
void CheckObjFunction(xgboost::ObjFunction * obj,
void _CheckObjFunction(xgboost::ObjFunction * obj,
std::vector<xgboost::bst_float> preds,
std::vector<xgboost::bst_float> labels,
std::vector<xgboost::bst_float> weights,
xgboost::MetaInfo info,
std::vector<xgboost::bst_float> out_grad,
std::vector<xgboost::bst_float> out_hess) {
xgboost::MetaInfo info;
info.num_row_ = labels.size();
info.labels_ = labels;
info.weights_ = weights;
xgboost::HostDeviceVector<xgboost::bst_float> in_preds(preds);
xgboost::HostDeviceVector<xgboost::GradientPair> out_gpair;
@@ -69,6 +65,37 @@ void CheckObjFunction(xgboost::ObjFunction * obj,
}
}
void CheckObjFunction(xgboost::ObjFunction * obj,
std::vector<xgboost::bst_float> preds,
std::vector<xgboost::bst_float> labels,
std::vector<xgboost::bst_float> weights,
std::vector<xgboost::bst_float> out_grad,
std::vector<xgboost::bst_float> out_hess) {
xgboost::MetaInfo info;
info.num_row_ = labels.size();
info.labels_ = labels;
info.weights_ = weights;
_CheckObjFunction(obj, preds, labels, weights, info, out_grad, out_hess);
}
void CheckRankingObjFunction(xgboost::ObjFunction * obj,
std::vector<xgboost::bst_float> preds,
std::vector<xgboost::bst_float> labels,
std::vector<xgboost::bst_float> weights,
std::vector<xgboost::bst_uint> groups,
std::vector<xgboost::bst_float> out_grad,
std::vector<xgboost::bst_float> out_hess) {
xgboost::MetaInfo info;
info.num_row_ = labels.size();
info.labels_ = labels;
info.weights_ = weights;
info.group_ptr_ = groups;
_CheckObjFunction(obj, preds, labels, weights, info, out_grad, out_hess);
}
xgboost::bst_float GetMetricEval(xgboost::Metric * metric,
std::vector<xgboost::bst_float> preds,
std::vector<xgboost::bst_float> labels,