visualize ahp
The latest version of the ahp package contains lots of new features and visualizations!

ahp 0.2.4 on CRAN

AHP ShowTable 6
AHP lets you analyse complex decision making problems. We have recently released the initial version of the R ahp package on github: gluc/ahp.

R ahp package on github

Shiny Server 1
In this beginner’s level tutorial, you’ll learn how to install Shiny Server on an AWS cloud instance, and how to configure the firewall. It will take just a few minutes!

Installing RStudio Shiny Server on AWS

This example is inspired by the examples of the treemap package. You’ll learn how to convert a data.frame to a data.tree structure navigate a tree and locate specific nodes use Aggregate and Cumulate manipulate an existing tree, e.g. by using the Prune method use data.tree in connection with the treemap package

TreeMap World Population visualisation

aws 6
While most web-developers have worked with Amazon AWS, Microsoft Azure, or similar platforms before, this is still not the case for many R number crunchers. Especially researchers at academic institutions have less exposure to these commercial offerings. Time to change that!

Setting up an AWS instance for R, RStudio, OpenCPU, or ...

shinydiamond 1
No code for once. This is an independent, introductory article about RStudio’s Shiny web application framework for R. This could be useful for people who don’t know what Shiny is. Or for those of you who want to find out when to use Shiny.


This is a partial review of Peter Thiel’s best-selling book about creating a start-up. It is partial because I focus more on the things I did not like, leaving the praise to all his followers.

Book Review: Peter Thiel’s “Zero to One”

Shiny Database 12
In this post, we write a shiny database app that lets you display and modify data that is stored in a database table.

Shiny Database App (CRUD)