Multi-dimensional KDE test: application to geography?

I recently came across this paper in PNAS: Doung, T., G. Bruno  and  S. Kristine (2012) Closed-form density-based framework for automatic detection of cellular morphology changes. PNAS 109 (22) pp 8382-8387 (DOI: 10.1073/pnas.1117796109). The authors describe a kernel density-based multivariate two-sample test. They applied it to study cell biology, but I don’t see any reason […]

Introductory R for Spatial Analysis. 6th December, 2013 in Leeds

As spatial datasets get larger, more sophisticated software needs to be harnessed for their analysis. R is now a widely used open source software platform for statistical analysis and is increasingly popular for those working with spatial data thanks to its powerful analysis and visualisation packages.  This one-day course introduces the basics of how R […]

Unemployment Visualised

I had a bit of time on a Friday afternoon so thought it might be interesting to map some unemployment data I had read about in the Guardian Data Blog. These figures show the percentage of people (both men and women) of all ages who were unemployed in April 2013(according to the ONS Labour Market […]


I have just come across this interesting data from the National Geospatial-Intelligence Agency (NGIA). They have a big database on anti-shipping (piracy) locations, available for download here. The map below shows areas that have received the largest numbers of anti-shipping alerts.

Second Call for Papers: Agent-Based Models of Geographical Systems

Conference Details IGU Leeds (UK), Applied GIS and Spatial Modelling: 29 May – 2 June 2013. Important Dates Abstract submission: 250 – 300 words before 18th January 2013 Notification: before Feb 01 2013 Conference dates: May 29th – 2nd June 2013, Leeds, UK. Please send abstracts (250 words approx.) to Nick Malleson ( Session Details: […]

GIS for Crime Analysis Course

We have some spaces on a two-day course on GIS and crime analysis running at the University of Leeds on 20th/21st September 2012. The course is open to staff and students at Higher Education Institutions in the UK and Ireland. For more information, or to register, follow this Registration Link. Course Outline. This 1.5 day course […]

Presentation at the AAG Annual Meeting 2012

I have recently attended the Association of American Geographers (AAG) annual meeting to present a paper entitled: Understanding Crime Context with Novel Geo-Spatial Data (available for download here). Abstract The work of crime analysts and modellers could benefit substantially from the use of new spatial data sets that are becoming more readily available. Examples include […]