how to find the second most repeated value in vector
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how to find the second most repeated value in vector x=[1 2 2 3 5 5 5] i use (mode ) to find the most repeated and frequency [m,f]=mode(x) m=5 the number repeated f=3 the freq.
now,i want to find the second repeated, can help me please
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Walter Roberson
il 25 Ago 2017
Delete all the copies of m out of x and take the mode again.
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Apoorva Srivastava
il 16 Giu 2019
Modificato: Apoorva Srivastava
il 16 Giu 2019
% For a vector x:
mode(x(find(x ~= mode(x))))
% In general, if x is a matrix (valid from R2018b onwards)
mode(x(find(x ~= mode(x, 'all'))), 'all')
Andrei Bobrov
il 25 Ago 2017
[g,v] = findgroups(x);
ii = accumarray(g(:),1);
jj = find(ii > 1);
out = [v(jj(2)), ii(jj(2))]
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alexander Mcghee
il 17 Set 2019
X = [1 1 1 1 1 5 5 5] ;
m = mode(X) % -> m=1
X(X==m) = NaN ;
m = mode(X) % -> m=5
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