Blog Archives

Reot: Empirical Orthogonal Teleconnections in R

April 18, 2014
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Reot: Empirical Orthogonal Teleconnections in R

We are happy to introduce Reot, an R package designed for empirical orthogonal teleconnection (EOT) analysis of gridded geo-scientific space-time data based on the method by van den Dool et al. (2000). EOT denotes a regression-based approach to decompose spatio-temporal … Continue reading →

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Update to metvurst

August 23, 2013
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Update to metvurst

Here's a quick update to metvurst in response to some issues encountered over the last weeks. The most important change is that the strip() function now returns the plot object rather than printing it. This means that we can work … Continue reading →

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Creating publication quality graphics using R

July 15, 2013
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Creating publication quality graphics using R

As part of a one-day workshop, I have developped an online tutorial on how to create publication quality graphics using R (from an academic point of view). The tutorial can

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metvurst now a package, repository moved to GitHub

March 3, 2013
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metvurst now a package, repository moved to GitHub

Inspired by a post on PirateGrunt, I finally managed to pack metvurst up and turn it into a proper R-Package (the fact that I’m on holiday and have some time also helped). As a side-effect of this, the repository has been moved from … Continue reading →

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resizing plot panels to fit data distribution

March 3, 2013
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resizing plot panels to fit data distribution

I am a big fan of lattice/latticeExtra. In fact, nearly all visualisations I have produced so far make use of this great package. The possibilities for customisation are endless and the amount of flexibility it provides is especially valuable for … Continue reading →

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visualising diurnal wind climatologies

March 3, 2013
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visualising diurnal wind climatologies

In this post I want to highlight the second core function of the metvurst repository (https://github.com/tim-salabim/metvurst): The windContours function It is intended to provide a compact overview of the wind field climatology at a location and plots wind direction and … Continue reading →

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visualising large amounts of hourly environmental data

March 3, 2013
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visualising large amounts of hourly environmental data

It is Sunday, it's raining and I have a few hours to spend before I am invited for lunch at my parents place. Hence, I thought I'd use the time to produce another post. It has been a while since … Continue reading →

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reading raster data using library(parallel)

March 3, 2013
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reading raster data using library(parallel)

Recently, I have been doing some analysis for a project I am involved in. In particular, I was interested what role pacific sea surface temperatures play with regard to rainfall in East Africa. I spare you the details as I … Continue reading →

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renaming data frame columns in lists

March 3, 2013
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renaming data frame columns in lists

OK, so the scenario is as follows: we have a list of 2 elements which in turn are again lists with 2 elements (each of which is a data frame). None of the elements in question carry names (neither the … Continue reading →

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metvurst now a package (repository moved to GitHub)

February 18, 2013
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metvurst now a package (repository moved to GitHub)

Inspired by a post on PirateGrunt, I finally managed to pack metvurst up and turn it into a proper R-Package (the fact that I'm on holiday and have some time also helped). As a side-effect of this, the repository has been moved from google code to G...

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