Is it possible to plot a 3D graph with non numerical values?

Question

Navya Mohan 2019-10-29

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回答： Navya Mohan 2019-10-30

I have a set of values for plotting like

z= {66%,77,78,79,79}

y= {25%,44,67,34,55}

x= { Class1, Class2, Class3, Class4,Class5}

How to plot a 3d graph with with non numeric values like x(along any one axis) in 3D graph? plz help !

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Answer 1

Bjorn Gustavsson 2019-10-29

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The simplest method might be to map your classes to some integer range and then use the standard plotting functions. In your case you could try:

z = [66,77,78,79,79]; % use cell2mat to do this for larger arrays
y = [25,44,67,34,55];
x = {Class1, Class2, Class3, Class4,Class5}
X = [1,2,3,4,5]
xstr = unique({'Class1', 'Class2', 'Class3', 'Class4','Class5'});
scatter3(X,y,z,32,X,'filled')
set(gca,'xtick',X,'xticklabel',xstr)

HTH

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Answer 2

Walter Roberson 2019-10-29

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编辑：Walter Roberson 2019-10-29

z = [66,77,78,79,79]; 
y = [25,44,67,34,55];
x = categorical({'Class1', 'Class2', 'Class3', 'Class4', 'Class5'});
pointsize = 32;
scatter3(x, y, z, pointsize, x);   %color by category