Blog

Viewing posts from May, 2013

Network Analysis of Large Online Datasets

Posted by: admin 11 years, 7 months ago

In late 2012, I spent an infinitely frustrating week trying to perform network analysis (specifically, build and run ergm models) on part of the bitcoin blockchain. I learned some things. If you are here because you want to run ergm models on large datasets, you're advised to back away slowly then run like hell. But here are some notes.

read more / 0 comments

PostGIS install on Ubuntu 12.04

Posted by: admin 11 years, 7 months ago

This post shows you (and me when I forget in a couple of months!) how to set up a basic toolchain for spatial queries on Ubuntu 12.04. After installing PostgreSQL and PostGIS, we'll load data from a shapefile, try some queries, and display the spatial database layer in QGIS

read more / 0 comments