how to draw a 3-D frequency Distribution map with 3 differentlabels?

here is the data(which is attached below):the first column is the first feature，the second column is the second feature,the third column is the labels include 3 labels. hist3 function can only draw 1 labels.like this:

</matlabcentral/answers/uploaded_files/53400/1.jpg> but there are 3 labels. how can I draw them together,like stacked?and with different colors? thanks!

Answer 1

[Ahmet Cecen]

This is a very lazy solution, and there will be some tearing in graphics so you have to move the view around to get it right:

 [w,n] = hist3(data);

 hist3([data1;data2;data3],n,'FaceColor',[1 0 0]); hold on;
 hist3([data1;data2],n,'FaceColor',[0 1 0]);
 hist3(data1,n,'FaceColor',[0 0 1]);