Tag Archive: R

Electronic organisation of projects

I’ve been working on a number of different small projects recently, consequently I have been improving my file management. When I’m setting up a new project/thesis chapter/paper/etc. I’ve been trying to do it… Continue reading

MODIS: the many rastered beast, a how to guide

I’ve finally bitten the bullet and brought my data sources up to 2014 using snow cover data from the MODIS project. MODIS flies on two satellites, Aqua and Terra with the latter being… Continue reading

Writing to a database (R and SQLite)

Some time ago I wrote a post on preparing data for a database. Since then I’ve not been idle, just busy not writing for my blog! This article is a follow up and… Continue reading

How to write functions and use lists in R

R is a programming language used for data analysis, statistics and graphics production. If you’ve not come across it before this video will give you some background: OK, OK, it couldn’t be much… Continue reading

Why tapply should be your new best friend

Ever been faced with a dataset with data spread across a range of categories? Perhaps you had shopper counts per day over a multi-year period and wanted to know what the footfall was… Continue reading

GB potential evapotranspiration dataset

A few weeks ago I wrote about a method to derive incoming solar radiation for different latitudes. This was to help a GIS Masters student who’s looking to derive an equation for propwet… Continue reading

Extraterrestrial radiation dataset

I am currently helping supervise a masters student for their summer project. They’re working on improving a parameter used in flood estimation. The drive for the project is to use the revised parameter… Continue reading

Ordnance Survey Terrain 50 elevation model

UPDATE: Since writing this post I’ve had communication with the Ordnance Survey who have looked into the issues raised. The latest Terrain 50 data available supersedes this post and so I suspect the… Continue reading