Method Check

catboost/libs/data/objects.cpp:253–270

}

void NCB::TCommonObjectsData::Check(TMaybe<TObjectsGroupingPtr> objectsGrouping) const {
    CB_ENSURE_INTERNAL(FeaturesLayout, "FeaturesLayout is undefined");
    if (objectsGrouping.Defined()) {
        CheckDataSize(
            (*objectsGrouping)->GetObjectCount(),
            SubsetIndexing->Size(),
            "objectsGrouping's object count",
            false,
            "SubsetIndexing's Size"
        );
    }
    if (StoreStringColumns) {
        CheckGroupIds<TString>(SubsetIndexing->Size(), GroupIds.GetMaybeStringData(), objectsGrouping);
    } else {
        CheckGroupIds<TGroupId>(SubsetIndexing->Size(), GroupIds.GetMaybeNumData(), objectsGrouping);
    }
    CheckAllExceptGroupIds();
}

NCB::TCommonObjectsData NCB::TCommonObjectsData::GetSubset(
    const TObjectsGroupingSubset& objectsGroupingSubset,