matlab代码如下:
clc
x2=[1 2 3 4];
t1=[28 41 21 5 ];
t2=[29 42 22 4 ];
t3=[28 42 20 4 ];
t=[t1;t2;t3];
figure;
bar(x2,t)
for i = 1:length(x2)
text(x2(i)-0.3,t1(i),num2str(t1(i),'%g%%'),...
'HorizontalAlignment','center',...
'VerticalAlignment','bottom')
text(x2(i),t2(i),num2str(t2(i),'%g%%'),...
'HorizontalAlignment','center',...
'VerticalAlignment','bottom')
text(x2(i)+0.3,t3(i),num2str(t3(i),'%g%%'),...
'HorizontalAlignment','center',...
'VerticalAlignment','bottom')
end
title(' 换乘次数比例分布')
xlabel('换乘次数')
ylabel('分布比例/%')
%legend('2014','2015','2016',3)
legend({'\fontname{Times New Roman}2014','\fontname{Times New Roman}2015','\fontname{Times New Roman}2016'},'FontSize',11);
axis([0 5 0.0 50]);
set(gca,'xticklabel',{'1','2','3','4'});
效果如下: