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    %% Mode of Matrix Columns with Frequency Information  

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% Define a 3-by-4 matrix. 
A = [3 3 1 4; 0 0 1 1; 0 1 2 4]  

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% Find the most frequent value of each column, as well as how often it occurs. 
[M,F] = mode(A) 

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% |F(1)| is |2| since |M(1)| occurs twice in the first column.