www.gusucode.com > stats 源码程序 matlab案例代码 > stats/ComputeTheLognormalIncomeDensityExample.m
%% Compute the Lognormal Distribution pdf % % Copyright 2015 The MathWorks, Inc. %% % Suppose the income of a family of four in the United States follows a % lognormal distribution with |mu = log(20,000)| and |sigma = 1|. Compute % and plot the income density. x = (10:1000:125010)'; y = lognpdf(x,log(20000),1.0); figure; plot(x,y) h = gca; h.XTick = [0 30000 60000 90000 120000]; h.XTickLabel = {'0','$30,000','$60,000',... '$90,000','$120,000'};