摘要：
package com.smart.test;/** * 最小二乘法计算类 */public class LeastSquareMethod{ private double[] x; private double[] y; private double[] weight; private int m; private double[] coefficient; public LeastSquareMethod(double[] x, double[] y, int m) { if (x == null || y == null || x.... 阅读全文
摘要：
package com.smart.test;public class Algorithm{ /** * 一元线性回归分析 * * @param x[n] 存放自变量x的n个取值 * @param y[n] 存放与自变量x的n个取值相对应的随机变量y的观察值 * @param n 观察点数 * @param a[2] a(0) 返回回归系数b ,a(1)返回回归系数a */ public static void lineareEquation(double[] x, double[] y, int n, doubl... 阅读全文