Articles by Bart Rogiers

A workflow for publishing RStudio notebooks on Blogger

April 6, 2016 | Bart Rogiers

The past few years, I have been searching regularly for ways of formatting R code on +Blogger. Although different possibilities were available, almost always I ended up using the online Pretty R syntax highlighter by copying parts of a script and pasting these in blog posts after highlighting. Thanks to ...
[Read more...]

Variography with gstat and ggplot2

March 18, 2016 | Bart Rogiers

Last year I wrote a short demo on variography with gstat and ggplot2 for a colleague who was planning to migrate to R. Just thought I’d share this here (with some additional stuff) as it might be useful for other people as well.First, make sure you have the ...
[Read more...]

Variography with gstat and ggplot2

March 18, 2016 | Bart Rogiers

Last year I wrote a short demo on variography with gstat and ggplot2 for a colleague who was planning to migrate to R. Just thought I’d share this here (with some additional stuff) as it might be useful for other people as well. First, make sure you have the ...
[Read more...]

RGLUEANN package available on GitHub

October 11, 2014 | Bart Rogiers

The RGLUEANN package is now available on GitHub at http://github.com/rogiersbart/RGLUEANN. The package provides an R implementation of the coupling between general likelihood uncertainty estimation (GLUE) and artificial neural networks (ANNs)... [Read more...]

R and the SGeMS blockdata format

December 7, 2012 | Bart Rogiers

The popular geostatistical software SGeMS has some options for working with non-point support (block) data through the BGeost set of algorithms by Yongshe Liu (see his PhD thesis), and published in Liu and Journel (2009). A specific but ... [Read more...]

Estimation of hydraulic conductivity and its uncertainty from grain-size data using GLUE and artificial neural networks.

June 13, 2012 | Bart Rogiers

AbstractVarious approaches exist to relate saturated hydraulic conductivity (Ks) to grain-size data. Most methods use a single grain-size parameter and hence omit the information encompassed by the entire grain-size distribution. This study compares two data-driven modelling methods—multiple linear regression and artificial neural networks—that use the entire grain-size distribution ... [Read more...]

Use R! – Part 2

May 9, 2012 | Bart Rogiers

Here is a follow-up of my first post about using R. For our yearly KU Leuven Geology PhD Seminar (08-09/05/2012), I quickly pasted this script together from several examples I had run into in the past, as well as some things that I have been doing myse... [Read more...]

R and MODFLOW

January 15, 2012 | Bart Rogiers

Here are some functions for reading and writing MODFLOW files from R. I hope to update this in the future!################################################################################### read.modflow.pval ############################################... [Read more...]

R and the Geotechnical Exchange Format

December 24, 2011 | Bart Rogiers

Quite some time ago now, I wrote this function to read some *.gef files into R. "gef" stands for Geotechnical Exchange Format. Details on this data format can be found at http://www.geffiles.nl/, as well as several software tools. I had a long list of ... [Read more...]

Use R!

July 7, 2011 | Bart Rogiers

In short: R is a free intuitive programming language that is used by practitioners in a plethora of academic disciplines. Therefore, it is on the cutting edge, and expanding rapidly. It creates stunning visuals, works seamlessly together with LaTeX, has really good online documentation and the community is unparalleled. [1, 2, 3, 4] A ... [Read more...]

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)