xgboost/tests/cpp/objective/test_ranking_obj.cc
ngoyal2707 5cd851ccef added code for instance based weighing for rank objectives (#3379)
* added code for instance based weighing for rank objectives

* Fix lint
2018-06-22 15:10:59 -07:00

28 lines
935 B
C++

// Copyright by Contributors
#include <xgboost/objective.h>
#include "../helpers.h"
TEST(Objective, PairwiseRankingGPair) {
xgboost::ObjFunction * obj = xgboost::ObjFunction::Create("rank:pairwise");
std::vector<std::pair<std::string, std::string> > args;
obj->Configure(args);
// Test with setting sample weight to second query group
CheckRankingObjFunction(obj,
{0, 0.1f, 0, 0.1f},
{0, 1, 0, 1},
{2.0f, 0.0f},
{0, 2, 4},
{1.9f, -1.9f, 0.0f, 0.0f},
{1.995f, 1.995f, 0.0f, 0.0f});
CheckRankingObjFunction(obj,
{0, 0.1f, 0, 0.1f},
{0, 1, 0, 1},
{1.0f, 1.0f},
{0, 2, 4},
{0.95f, -0.95f, 0.95f, -0.95f},
{0.9975f, 0.9975f, 0.9975f, 0.9975f});
ASSERT_NO_THROW(obj->DefaultEvalMetric());
}