classification.m

朴素贝叶斯分类器

function [a b]=Classification(X)
n=size(X,1);
%%%%%%%%%利用概率论中的3sigma对类变量分三类%%%%%%%%%%
m=mean(X);
s=sqrt(var(X)*(n-1)/n);
X1=max(X)*1.1;X2=min(X)*0.9;minus=X1-X2;
A=m-s;B=m+s;
a=(A-X2)/minus;
b=(B-X2)/minus;