3D graphs rock! – a more technical way to help with OSM completeness

26 06 2008

So I’ve been working with ONS and DfT stats for the past few days and come pretty close to insanity with the statistics before realising that the simplest models give the nicest results.

Have a look at these 3D graphs I’ve been working with. They show us nice and simply that the amount of roads in a boundary, depend on the land area of that boundary and on the population within the boundary. Kinda straight forward and what you might expect, but its good to get some concrete results.

Now onwards and upwards I plan to use these results to predict how many roads there should be within any boundary on OpenStreetMap and then compare that results to how many there actually are on OSM. If any one has any simpler ideas on measuring completeness, then let me know!

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