R is a very powerful language for creating custom data visualizations, but during the development process sometimes you make a mistake and things go horribly wrong. But sometime serendipity intervenes, and the (unintended) result can be quite beautiful. Accidental aRt, if you will. Curated by Kara Woo and Erika Mudrak, this fantastic Tumblr captures beautiful but unintended examples from...
Building Interactive Graphs with ggplot2 and Shiny
Some time ago, I was contacted from guys at Packt Publishing. Their just published the Building Interactive Graphs with ggplot2 and Shiny online course and they ask me my (humble) opinion....
“F-bombs” in GitHub Commits (warning: contains profanity)
Warning: this post contains profanity...arguably excessive amounts of it. If you are a humorless no-fun, you are recommended to proceed no further. Seriously though, the title is quite descriptive...
Variable Selection in Market Segmentation: Clustering or Biclustering?
Will you have that segmentation with one or two modes?The data matrix for market segmentation comes to us with two modes, the rows are consumers and the columns are...
Packages vs ProjectTemplate
Packages vs ProjectTemplate tl;dr Imposing a different structure than R packages for distributing R code is a bad idea, especially now that R package tools have gotten to the point where...
Revisiting package dependencies
by Andrie de Vries In my previous post I wrote about how to identify and visualize package dependencies. Within hours, Duncan Murdoch (member of R-core) identified some discrepancies between...
2 new R jobs (for July 29th 2014)
This is the bimonthly R Jobs post (for 2014-07-29), based on the R-bloggers’ sister website: R-users.com. If you are an employer who is looking to hire people from the R community, please visit this link...
Fast-track publishing using the new R markdown – a tutorial and a quick look behind the scenes
The new R Markdown (rmarkdown-package) introduced in Rstudio 0.98.978 provides some neat features by combining the awesome knitr-package and the pandoc-system. The system allows for some neat simplifications of...
Hit and run. Think Bayes!
At the R in Insurance conference Arthur Charpentier gave a great keynote talk on Bayesian modelling in R. Bayes' theorem on conditional probabilities is strikingly simple,...
analyze the fda adverse event reporting system (faers) with r
doctors prescribe medications for patients all the time. all the time. sometimes the results are beneficial, other times the drug has no discernible effect, but occasionally those substances actually...
Creating an analysis as a package and vignette
Creating an analysis as a package and vignette Following from my last post, I am going to go step by step through the process I use to generate an...
Volatility Histeresis: A First Attempt
So the last time that a FRAMA strategy was tried with price crossovers, the problem was that due to counter-trending … Continue reading →
Data Caching
Data caching is not new. It is often necessary to save intermediate data files when the process of loading and/or manipulating data takes a considerable amount of time. This...
Clipping spatial data in R
This miniature vignette shows how to clip spatial data based on different spatial objects in R and a ‘bounding box’. Spatial overlays are common in GIS applications and R...
Comment on Sustainability and innovation in staple crop production in the US Midwest
After writing a blog post about the paper “Sustainability and innovation in staple crop production in the US Midwest” I decided to submit a formal comment to the International...
jpmml and R (Free Webinar)
This free, global webinar will provide an introduction to jpmml, the world’s leading open-source PMML scoring engine currently being utilized by companies such as Airbnb to rapidly deploy predictive...
The Pay-for-Performance Myth
Last week, Eric Chemi and Ariana Giorgi published an interesting article on “The Pay-for-Performance Myth” With all the public chatter about exorbitant executive compensation and income inequality, it’s useful to...
EARL and other upcoming events
Highlighted EARL As in “Effective Applications of the R Language”. 2014 September 15-17, London. Somehow they gave higher billing to Ben Goldacre than to Pat Burns. If Obama were...
Pie Charts. Are they worth the Fight?
Like Rob, I recently got back from ICOTS. What a great conference. Kudos to everyone who worked hard to organize and pull it off. In one of the sessions...
Reuters uses R to report on surge in coastal flooding in US
As global warming causes sea levels to rise, the risk of flooding for coastal settlements also rises over time. A recent analysis by Reuters find that incidents of coastal...
Analyses as Packages
Analyses as Packages TL;DR Instead of writing an analysis as a single or set of R scripts, use a package and include the analysis as a vignette of the package. Read...
a:class <- b
Usually in strongly typed languages, like C++, the type of a variable comes before the variable, e.g.: int x = 23 ; So x is declared of...
Who wants to disrupt R training and R education?
Using EdTech applications as an academic, R trainer or training company is no longer a unique selling proposition, but a must-have commodity. In this post, we introduce the new DataCamp course creation...
Cigarette and life expectancy
Yesterday evening, I uploaded a graph, with the labor productivity as a function of coffee consumption. Of course, it was for fun ! With this kind of regression, base...
Analyzing package dependencies and download logs from Rstudio, and a start towards building an R recommendation engine
In this post, I will focus on the analysis of available R packages and the behavior of its users. In essence, this involves looking at the data in two...
Coffee and Productivity
On Twitter, I was asked if there were serious research papers published on coffee consumption and labour productivity. There are some papers on coffee breaks and productivity, e.g. Productivity Through...
Shifting Centre of Gravity of US Fossil Fuel Production
My research Fracking Growth investigates the localised impacts of the current oil and gas production boom in the US. The boom is triggered by extraction of oil and gas deposits,...
Guns are Cool – States
Last week I looked at time effects of the shootingtracker database. This week I will look at the states. Some (smaller) states never made it on the database. Other...
Plotly: collaborative, publication-quality graphing.
