基于粗糙集和遗传算法的道路交通事故分析

基于粗糙集和遗传算法的道路交通事故分析,所有程序均在本环境下测试通过，有问题请联系

function gama = DependencyDegree（UCD）
% DependencyDegree 返回D对C的依赖度gama
% Input:  Name     description         type
%          U           论域            array
%          C         条件属性          array
%          D         决策属性          array
% Output: Name     description         tpye
%         gama        依赖度           double

% Author: Neptune_zx 
% Email:  553680533@qq.com
% Time:   2011/5/19
% =========================================================================

if（isempty（C））
    gama = 0;
    return;
end
posCD = PositiveRegion（UCD）;
gama = length（posCD）/length（U）;
end

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2013-01-11 10:33  RoughSetReduct_Sln\
     文件         627  2013-01-11 10:14  RoughSetReduct_Sln\DependencyDegree.m
     文件         829  2013-01-11 10:13  RoughSetReduct_Sln\EleEquivalentSet.m
     文件        1004  2013-01-11 10:13  RoughSetReduct_Sln\EquivalentClassSet.m
     文件         459  2011-05-19 18:53  RoughSetReduct_Sln\FindBestReduct.m
     文件         514  2013-01-11 10:14  RoughSetReduct_Sln\IsSub.m
     文件         766  2013-01-11 10:14  RoughSetReduct_Sln\LowerApproximation.m
     文件        3003  2011-05-19 22:24  RoughSetReduct_Sln\MainOfUSln.m
     文件         822  2013-01-11 10:14  RoughSetReduct_Sln\PositiveRegion.m
     文件         482  2012-12-14 08:53  RoughSetReduct_Sln\TableData.mat
     文件        1266  2013-01-11 10:14  RoughSetReduct_Sln\TargetOptFcn.m
     文件       34816  2013-01-11 10:33  RoughSetReduct_Sln\解决方案说明文档.doc
     文件        3090  2011-05-19 19:40  RoughSetReduct_Sln\解决方案说明文档.txt