Method SetScaleAndBias

catboost/libs/model/model.cpp:695–709

}

void TModelTrees::SetScaleAndBias(const TScaleAndBias& scaleAndBias) {
    CB_ENSURE(IsValidFloat(scaleAndBias.Scale), "Invalid scale " << scaleAndBias.Scale);
    TVector<double> bias = scaleAndBias.GetBiasRef();
    for (auto i : xrange(bias.size())) {
        CB_ENSURE(IsValidFloat(bias[i]), "Invalid bias[" << i << "] : " << bias[i]);
    }
    if (bias.empty()) {
        bias.resize(GetDimensionsCount(), 0);
    }
    CB_ENSURE(
        GetDimensionsCount() == bias.size(),
        "Inappropraite dimension of bias, should be " << GetDimensionsCount() << " found " << bias.size());

    ScaleAndBias = TScaleAndBias(scaleAndBias.Scale, bias);
}

void TModelTrees::SetScaleAndBias(const NCatBoostFbs::TModelTrees* fbObj) {
    ApproxDimension = fbObj->ApproxDimension();