Big Data’s Little Secrets (Part 1)

The term ‘big data’ has been getting a lot of attention recently, some of it very complimentary (see ‘The End of Theory‘), and some of it not so much (see Mark Birkin’s report on a recent AAG session). On one level this is very exciting for me since much of my work with travel and communications data falls loosely under this rubric. But when big data sets are promoted as ‘the answer’ to everything from the next Census to deriving universal laws of human behaviour, it is also time for us to look a little more closely at what big data can actually deliver. Continue reading

The MapThing Processing Library

MapThing allows you to perform a range of useful mapping (in the geographical sense) functions within Processing and offers a collection of classes for reading ESRI-compliant Shape files (a.k.a. shapefiles), CSV point data, and GPX files, and then displaying them as part of a sketch. Continue reading

Plotting & iGraph on Lion and Mountain Lion

Note: this was previously posted at simulacra.info, but I am in the process of (re)organising my technical notes and tutorials.

After giving up on Gephi (again, I really should learn), I decided it was time to get to grips with Python and iGraph since I really need to produce multiple iterations of a graph. The matmos at CASA have, of course, been touting Python for ages, but I’ve just not had the time/incentive to install and, more importantly, actually get around to using it… until now. Continue reading

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