Wildlife survey specialist with interest in GIS and statistics, based in Arusha, Tanzania.
Work mostly with QGIS, R ... getting away from using ArcGIS and Excel!
30 How to open a Shapefile in R? Jan 20 '12
26 How to add Direction and Distance to attribute table? Apr 29 '12
23 Projecting sp objects in R Aug 19 '12
23 Is there an automatic function in QGIS to package all files in a project for transferability? Sep 12 '12
16 Sum values in a field Oct 28 '12
15 How to export shape file to SpatiaLite Mar 19 '12
14 Choosing colour-ramp to use for elevation? May 9 '12
13 OpenStreetMap or Google Map Maker: where should I donate and volunteer my geographical knowledge? May 6 '12
13 Raster legend in R: how to colour specific values? Nov 29 '11