Vector to Indicate if Data equals the Maximum by group
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I have a data vector and a group vector, how do I generate a vector (the same size as the data vector) of 0's and 1's to indicate if data is the group maximum. For example, data = [1;2;3;6;5] and group = [1;1;2;3;3]. I want to get [0;1;1;1;0].
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Akira Agata
2022-4-19
How about the following?
data = [1;2;3;6;5];
group = [1;1;2;3;3];
idx = splitapply(@(x) {x == max(x)},data,group);
idx = cell2mat(idx);
disp(idx)
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