Tag Archive: open source

dplyr, (mc)lapply, for-loop and speed

Want to know whether lapply is quicker than a for-loop? Is there a faster solution? This is the place!


Getting started with spatial data in R – EdinbR talk

Slides from January 2018 EdinbR session on spatial data in R.

Transcribed Scottish snow data available (1945-2007)

I’m nearly 12 months late writing this post. I think it must have slipped my mind! The primary dataset for my PhD was the snow survey of Great Britain. You can read more… Continue reading


RPostgreSQL and schemas

The database PostgreSQL can have different schemas. These work like a window for users, where they get to see specific things within a database, e.g. tables. In this post we’ll look at how… Continue reading


R with GRASS GIS – easiest Munros

I’ve been having a more sustained play with R and GRASS together. I’ve previously used them, in tandem, for processing satellite images, but haven’t been much further. In this post I’ll look at… 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


Vote for talks you want to hear at a conference!

I’ve been following the build up to the FOSS4G UK event and last week the call for presentations/papers closed. Today I saw a link on twitter saying that voting for papers was now… Continue reading