normalize.m

主成分分析和偏最小二乘SquaresPrincipal成分分析（ PCA ）和偏最小二乘（ PLS ）

function y=normalize(x,method);
% NORMALIZE normalize vector x
% method: 0-center around zero
%         1-center and divide by STD
%
% last modified 01.12.04

y=x;
switch method
    case 0
        y=y-mean(y);
    case 1
        y=(y-mean(y))./std(y);
end