On Sat, 4 Feb 2012 14:35:08 -0600 Benjamin Root <ben.r...@ou.edu> wrote:
> > no.unique() can return indices and reverse indices. It would be trivial to > histogram the reverse indices using np.histogram(). Even np.histogram(abc,unique_elem) or something like this. Works if unique_elem is ordered. np.histogram(abc,list(unique_elem)+[unique_elem[-1]+1])[0].reshape(-1,1) is 40x faster and gives the same result. -- Jérôme Kieffer Data analysis unit - ESRF _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion