[GRASS-dev] How to calculate mean coordinates from big point datasets?

Hamish hamish_b at yahoo.com
Mon Sep 23 02:14:33 PDT 2013


> Would be interesting to see results for big data. And AFAIK median is a 
> bit more difficult to do in awk. I imagine that replacing the median by 
> the mean in numpy is no problem (might be a flag to add to v.median).

see the old r.univar.sh shell script for an idea of how to get a median
using unix power tools, it's fairly trivial.



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