How can I speed my function?
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the function is used to compute hoeffdingsD measure,but the performance of my function is poor. when i use it in my code ,it usually cost several days.who can help me ,or compile it .
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Andrew Newell
2017 年 4 月 22 日
One source of delays can be repmat. This can be replaced by a suitable choice of index, as in the following:
r = R(i,:);
r = r(ones(N,1),:);
That said, it may be too much to expect a really fast implementation of this algorithm, judging by this discussion of the algorithm.
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