presto-ml/src/main/java/io/prestosql/plugin/ml/SvmRegressor.java/SvmRegressor/regress
class SvmRegressor:    @Override
    public double regress(FeatureVector features)
    {
        requireNonNull(model, "model is null");
        return svm.svm_predict(model, toSvmNodes(features));
    }