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MyBayes

于 2013-04-12 发布 文件大小:176KB
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  2.编写两类正态分布模式的贝叶斯分类程序。 设以下模式类别具有正态概率密度函数: ω1:{(0 0)T, (2 0)T, (2 2)T, (0 2)T} ω2:{(4 4)T, (6 4)T, (6 6)T, (4 6)T} (1)设P(ω1)= P(ω2)=1/2,求这两类模式之间的贝叶斯判别界面的方程式。 (2)绘出判别界面。 3.已知服从正态分布的两类训练样本集分别为 :,,,, :,,, ,试问属于哪一类? 4.设有两类一维模式,每一类都是正态分布,两类的均值和均方差分别为,;,。 采用(0-1)损失函数,且。 (1)试绘出两类模式的密度函数曲线,其判别界面位于何处? (2)若已获得样本:-3,-2,1,3,5,试判断它们各属于哪一类。(bayes ,matlab)

文件列表:

MyBayes
.......\MyBayes
.......\.......\bayesfun1.m,137,2012-12-15
.......\.......\bayesfun2.m,131,2012-12-18
.......\.......\bayesfun3.m,111,2012-12-15
.......\.......\MyBayes1.m,1272,2012-12-15
.......\.......\MyBayes2.m,1311,2012-12-15
.......\.......\MyBayes3.m,1189,2012-12-20
.......\贝叶斯分类.doc,296960,2012-12-15

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