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Add MAPE metric (#6119)

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This commit is contained in:
Philip Hyunsu Cho
2020-09-14 18:45:27 -07:00
committed by GitHub
parent 47350f6acb
commit 33577ef5d3
9 changed files with 41 additions and 3 deletions
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11
tests/cpp/metric/test_elementwise_metric.cc
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@@ -44,6 +44,17 @@ TEST(Metric, DeclareUnifiedTest(MAE)) {
delete metric;
}
TEST(Metric, DeclareUnifiedTest(MAPE)) {
auto lparam = xgboost::CreateEmptyGenericParam(GPUIDX);
xgboost::Metric * metric = xgboost::Metric::Create("mape", &lparam);
metric->Configure({});
ASSERT_STREQ(metric->Name(), "mape");
EXPECT_NEAR(GetMetricEval(metric, {150, 300}, {100, 200}), 0.5f, 1e-10);
EXPECT_NEAR(GetMetricEval(metric, {50, 400, 500, 4000}, {100, 200, 500, 1000}),
1.125f, 0.001f);
delete metric;
}
TEST(Metric, DeclareUnifiedTest(MPHE)) {
auto lparam = xgboost::CreateEmptyGenericParam(GPUIDX);
xgboost::Metric * metric = xgboost::Metric::Create("mphe", &lparam);