Book

Free

Chris Anderson (Editor Wired Magazine) has just done an interesting talk at the RSA this evening on his new book “Free: The Future of a Radical Price: The Economics of Abundance and Why Zero Pricing Is Changing the Face of Business”. I am looking forward to getting a copy fairy soon before I am bored of seeing every late twenties male reading it on the tube in the coming weeks.

Talk available as an MP3: RSA

An abstract of the book appeared as a wired article some months back, but is still online here.

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Neogeography

More Crime Maps

Our very own Londonprofiler website was mentioned on this timely review of crime maps and visualisations on the flowingdata blog. More after the link!

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GIS, Geodemographics, Neogeography

MSN Local a Crime?

Somehow this passed me by but http://local.uk.msn.com/ now includes some socio-economic data at a national level.

The crime information is worth a look and appears created from Experian data using the British Crime Survey rather than actual crime occurrences - then interpolated some how into a surface. Additionally, when you click the map, the data returned includes a series of the long descriptive profiles for the Mosaic Types or Groups within the “area” (however defined).

I really do worry about these types of commercial representation, specifically given the lack of detail over the methods used and the potential consequences of their erroneous interpretation. The information reported on this page about the crime data: http://money.uk.msn.com/MSN-Local/help.aspx#C appears to be all about perceptions of crime, which is very different from actual crime - as specified on the map. I am guessing that the crime map is created by taking the British Crime Survey, appending Mosaic, modeling weighted values for “perception” / fear of crime - then taking these values at postcode level and interpolating between them, probably with IDW into high / low scores.

The potential for creating spurious values is HUGE given so many uncertainties -  at some point in this operation, a categorical value from a black box geodemographic is used to model a continuous point score, not to mention the fact that further values are then interpolated between these points in the conversion to a raster surface. To me, this really doesn’t sound like a set of plausible operations - why not just plot the crime domain of the IMD like we do on LondonProfiler?

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Data

Printed Wikipedia

When I was in primary school, the height of geek cool was to be a proud owner of a leather bound set of Encyclopedia Britannica. By the time I reached secondary school, this had been replaced with the Microsoft Encarta cd-rom and access to a family PC. The recent work of Rob Matthews (left) as part of his Brighton Graduate Degree Show reminds me how far we have come.

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Cities

Obama | One People - The City

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Cartography

Understanding Swine Flu?

New York Times have just put up a map of swine flu, I am not sure that it really shows anything! Quite bad cartography from people who usually know better.

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Cartography

Flu Map


View H1N1 Swine Flu in a larger map

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Cities

Changing Cityscapes: Manchester

I am not sure I buy into the commentary on this clip, however, it does show some very nice shots of Manchester.

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esociety

More Digitial Exclusion

About a year ago we did some work with CLG on digital exclusion and provided them with an exact of the e-society classification. This has now been incorporated into a tool they have created:

The map website can be found at the CLG.

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Classification, Talk

Some developments in the specification, estimation and testing of geodemographic classifications

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