001/*
002 * Copyright (c) 2009 The openGion Project.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
013 * either express or implied. See the License for the specific language
014 * governing permissions and limitations under the License.
015 */
016package org.opengion.penguin.math.statistics;
017
018/**
019 * 与える配列が{x,y}の組み合わせの、単回帰系回帰処理用のインターフェースです。
020 */
021public interface HybsRegression {
022
023        /**
024         * 回帰式の係数を配列で返します。
025         *
026         * @return 係数配列
027         *
028         */
029        double[] getCoefficient();
030
031        /**
032         * 決定係数の取得。
033         *
034         * @return 決定係数
035         */
036        double getRSquare();
037
038        /**
039         * 回帰式f(x)を計算して返す。
040         *
041         * @param in_x 必要な大きさの変数配列
042         * @return 計算結果
043         */
044        double predict( final double... in_x ) ;
045
046}