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How would I go about modifying this code so that it will bin a set of 4 elements?

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Ellie
Ellie on 27 Jul 2015
Closed: Walter Roberson on 27 Jul 2015
I have this following code where the is a pair of [ic(k), ic(k+1)]. Is there any way to modify it so that you can bin [[ic(k), ic(k+1), ic(k+2), ic(k+3)] instead? I have been playing with it but I keep getting errors, or a 4D matrix. Not what I want. Thanks in advance.
d = [3 3 4 4 4 5 6 5 5 4];
[c, ~, ic] = unique(d);
N = numel(c);
p = zeros(N, N);
for k = 1:(numel(d) - 1)
p(ic(k), ic(k + 1)) = p(ic(k), ic(k + 1)) + 1;
end
p = bsxfun(@rdivide, p, sum(p, 2));

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