Introduction Last week I analyzed player rankings of the Arkham Horror LCG classes. This week I explain what I did in the data analysis. As I mentioned, this is the first time that I attempted inference with rank data, and I discovered how rich the subject is. A lot of ...

In this post, we will analyze government data from the Flemish region in Belgium on A) official crime statistics and B) self-reported feelings of safety among residents of Flanders. We will focus our analysis on two cities in the province of Flemish Brabant: Leuven and Vilvoorde. A key question of ...

In this post, we will analyze government data from the Flemish region in Belgium on A) official crime statistics and B) self-reported feelings of safety among residents of Flanders. We will focus our analysis on two cities in the province of Flemish Brabant: Leuven and Vilvoorde. A key question of ...

ViennaR Meetup Announcement March 2019 For the next ViennaR Meetup on March 18 we are excited to announce Laura Vana (R-Ladies) and Hadley Wickham (RStudio). The meetup will take place at Webster Vienna Private University (http://webster.ac.at). Regis...

ViennaR Meetup Announcement March 2019 For the next ViennaR Meetup on March 18 we are excited to announce Laura Vana (R-Ladies) and Hadley Wickham (RStudio). The meetup will take place at Webster Vienna Private University (http://webster.ac.at). Regis...

One hundred and fifty-three new packages made it to CRAN in January. Here are my “Top 40” picks in eight categories: Computational Methods, Data, Machine Learning, Medicine, Science, Statistics, Utilities, and Visualization. Computational Methods cPCG v1.0: Provides a function to solve systems of linear equations using a (preconditioned) conjugate gradient algorithm. ...

Previously, when Rcrastinate was still on blogspot.com, I had a first look at ten years of my playback history on Last.FM. But there is still a lot one can do with this dataset. I wanted to try {gganimate} for a long time and this nice longitudinal dataset gives ...

A board-like Le Monde mathematical puzzle in the digit category: Given a (k,m) binary matrix, what is the maximum number S of entries with only one neighbour equal to one? Solve for k=m=2,…,13, and k=6,m=8. For instance, for k=m=2, the matrix is producing the maximal number 4. ...

If I keep holding out, will the light shine through? (Come Back, Pearl Jam) Imagine that you are writing the story of your life. Almost sure you will make allusions to your parents, but will both of them have the same prominence in your biography or will you spend more ...

The post Strategic Data Science: Creating Value With Data Big and Small appeared first on The Lucid Manager. A pragmatic approach to creating value for businesses with useful, sound and aesthetic data science. The post Strategic Data Science: Creating Value With Data Big and Small appeared first on The Lucid ...

Once in a while, you might find yourself wanting to embed one plot within another plot. ggplot2 makes this really easy with the annotation_custom function. The following example illustrates how you can achieve this. (For all the code in one … Continue reading →

MetaLandSim is an R package I’ve developed to simulate metapopulational dynamics on an habitat network. It also computes a lot of landscape connectivity metrics and simulates range expansion (check the manual if you are interested). I’ve mentioned it here frequently, and sometimes I like to post a simple ...

For the next ViennaR Meetup on March 18 we are excited to announce Laura Vana (R-Ladies) and Hadley Wickham (RStudio). The meetup will take place at Webster Vienna Private University (http://webster.ac.at). Registration is required at the Meetup Page: https://www.meetup.com/ViennaR/events/259235903/ Feel free to join ...

For the next ViennaR Meetup on March 18 we are excited to announce Laura Vana (R-Ladies) and Hadley Wickham (RStudio). The meetup will take place at Webster Vienna Private University (http://webster.ac.at). Registration is required at the Meetup Page: https://www.meetup.com/ViennaR/events/259235903/ Feel free to join ...