How can i find,most and less reapted number in array or matrix?

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Farhad
Farhad 2015-5-20
评论： Farhad 2015-5-20
i have a matrix like:X=[1 3 3 3 3; 3 7 4 4 4; 4 7 5 5 5; 5 9 8 8 8 ] in this matrix most repeated number is 3 and less repeated number is 1 and 9.i want to sort number by times of repeated.how can i do this? Thanks

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Andrei Bobrov
Andrei Bobrov 2015-5-20
X=[1 3 3 3 3; 3 7 4 4 4; 4 7 5 5 5; 5 9 8 8 8 ];
c = unique(X(:));
z = histc(X(:),c);
out = sortrows([c,z],2);

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Image Analyst
Image Analyst 2015-5-20
Is this homework? Sounds like it. Why not try histcounts()? Or histc if you have an old version of MATLAB. It's a good chance to learn about histograms and the several MATLAB functions related to histograms.
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Farhad
Farhad 2015-5-20
no,i am working on a project,i have 1800 data and i want to sort them by times of repeated,i use mode() function to finde more repeated number but it is not enough.

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