On Friday, May 29, 2015 at 7:06:09 AM UTC-7, Scott Jones wrote: > > Great! Thanks! That also sounds like it will help with something that > just came up today, somebody else wanted to know how to do just that also > (I'm proselytizing here in Belgium, getting everybody into Julia!) > > Another way that I recently discovered is to use sortperm(): basically, given an unsorted vector of sortable values (like frequencies), sortperm will return a vector of integers representing the indices of the original vector in sorted order. That is,
sortperm([1.1, 5.5, 4.4, 2.2]) will return [1,4,3,2]. It's also very fast (I used it to replace 5 lines of code in LightGraphs and sped up betweenness centrality by over 60%).
