openrouteservice – geodata!
The openrouteservice provides a new method to get geodata into R. It has an API (or a set of them) and an R package has been written to communicate with...continue reading.
Category: R
R Improvements for Bio7 2.8
18.05.2018 The next release of Bio7 adds a lot of new R features and improvements. One minor change is that the default perspective after the startup of Bio7 now is...continue reading.
Le Monde puzzle [#1051]
A combinatoric Le Monde mathematical puzzle of limited size: When the only allowed move is to switch two balls from adjacent boxes, what is the minimal number of moves to...continue reading.
Tuning xgboost in R: Part I
By Gabriel Vasconcelos Before we begin, I would like to thank Anuj for kindly including our blog in his list of the top40 R blogs! Check out the full list...continue reading.
50 years of Delaware Estuary Dissolved Oxygen
The Delaware River Basin Commission’s Delaware Estuary water quality monitoring program, which was initiated in 1967, is one of the longest running monitoring programs in the world. One advantage of...continue reading.
Elegant regression results tables and plots in R: the finalfit package
The finafit package brings together the day-to-day functions we use to generate final results tables and plots when modelling. I spent many years repeatedly manually copying results from R analyses...continue reading.
Stouffer’s meta-analysis with weight and direction effect in R
I often have to perform meta-analysis of past experiments for which the only info I have is the fold change and the p-value (of any measure you may imagine: species...continue reading.
The Pleasing Ratio Project
Music is a world within itself, with a language we all understand (Sir Duke, Stevie Wonder) This serious man on the left is Gustav Theodor Fechner, a German philosopher, physicist...continue reading.
Model averaging in ecology: a review of Bayesian, information-theoretic and tactical approaches for predictive inference
This (co-)guest post by Carsten F. Dormann & Florian Hartig summarizes a comprehensive review on model averaging for predictive inference, just published in Ecological Monographs.continue reading.
Tips for Ellipse Summary Plot
I privately had some questions and reply here, because it may also help others including me. 1. How to specify size With plot axis parameters. > ellipseplot(iris[,c(‘Species’, ‘Sepal.Length’)], iris[,c(‘Species’, ‘Sepal.Width’)],...continue reading.
Le Monde puzzle [#1045]
An minor arithmetic Le Monde mathematical puzzle: Take a sequence of 16 integers with 4 digits each, separated by 2, such that it contains a perfect square and its sum...continue reading.
Visualizing graphs with overlapping node groups
I recently came across some data about multilateral agreements, which needed to be visualized as network plots. This data had … Read More →continue reading.
the riddle of the stands
The simple riddle of last week on The Riddler, about the minimum number of urinals needed for n men to pee if the occupation rule is to stay as far...continue reading.
Mimicking SQLDF with MonetDBLite
Like many useRs, I am also a big fan of the sqldf package developed by Grothendieck, which uses SQL statement for data frame manipulations with SQLite embedded database as the...continue reading.
R Courses in Hamburg
Big news, from the 13th till the 27th June Jumping Rivers will be running 6 courses on R in Hamburg!!. It should be noted that each course runs for one...continue reading.
An R Tutorial: Visual Representation of Complex Multivariate Relationships Using the R qgraph Package, Part Two Repost
This is a repost of the original article that was posted as an embedded PDF file. Douglas M. Wiig April 8, 2018 Abstract This article is part of my...continue reading.
Introduction to Machine Learning for non-developers
A brief introduction to machine learning using the intuition behind decision trees and random forest for non-developers.continue reading.
simmer 3.8.0
The 3.8.0 release of simmer, the Discrete-Event Simulator for R, hit CRAN almost a week ago, and Windows binaries are already available. This version includes two highly requested new features that...continue reading.
Send tweets from R: A very short walkthrough
There are a few reasons why you might want to send tweets from R. You might want to write a Twitter bot or – as in my case – you...continue reading.
