標(biāo)題: 自己根據(jù)qqplot方法設(shè)計(jì)一個(gè)myqqplot [打印本頁(yè)]
作者: 51黑fan    時(shí)間: 2016-1-30 20:22
標(biāo)題: 自己根據(jù)qqplot方法設(shè)計(jì)一個(gè)myqqplot

統(tǒng)計(jì)計(jì)算作業(yè)：
自己根據(jù)qqplot方法設(shè)計(jì)一個(gè)myqqplot
function h = myqqplot(x)
y = sort(x);
[m,n]=size(y);
pp=((1:n)'-0.5)./n;
x = norminv(pp);   
hh = plot(x,y,'-p');
x=x';
r=corrcoef(y,x);
b=r(1,2);
text(0.8*(min(x)+max(x)),0.8*(min(y)+max(y)),['r=' num2str(b)]);
xlabel('Standard NormalQuantiles')
ylabel('Quantiles of InputSample')
title ('QQ Plot of Sample Dataversus Standard Normal')

myqqplot.rar (2.71 KB, 下載次數(shù): 2)





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