岭回归MATLAB源程序

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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
clc
clear all
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%假设某种水泥在凝固时所释放的热量与水泥中的四种成分x1x2x3x4有关，一共有13组观测数据，最小二乘法进行回归 
%求得x1x2x3x4与y之间的关系
x=[726660;%输入数据
1291552;
1156820;
1131847;
752633;
1155922;
371176;
1312244;
2541822;
2147426;
1402334;
1166912;
1068812];
y=[78.574.3104.387.695.9109.2102.772.593.1115.983.8113.3109.4];%输出数据
y=y.‘;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
[selxselyindexnr]=lasso（xy）

 属性            大小     日期    时间   名称
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     文件        692  2010-01-21 10:21  岭回归\lhgdyzjc.m

     文件       1379  2010-01-21 10:21  岭回归\linghuiguic.m

     目录          0  2010-01-21 10:19  岭回归

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