Publications by Paul van der Laken
ppsr: An R implementation of the Predictive Power Score
A few months ago, I wrote about the Predictive Power Score (PPS): a handy metric to quickly explore and quantify the relationships in a dataset. As a social scientist, I was taught to use a correlation matrix to describe the relationships in a dataset. Yet, in my opinion, the PPS provides three handy advantages: PPS works for any type of data, a...
5482 sym Python (150 sym/1 pcs) 18 img
ppsr live on CRAN!
Finding predictive patterns in your dataset with one line of code! Today — March 2nd 2021 — my first R package was published on the comprehensive R archive network (CRAN). ppsr is the R implementation of the Predictive Power Score (PPS). The PPS is an asymmetric, data-type-agnostic score that can detect linear or non-linear relationships bet...
1075 sym 4 img
How to confuse your shareholders by bad data visualization
Like many people during the COVID19 crisis, I turned to the stock market as a new hobby. Like the ignorant investor that I am, I thought it wise to hop on the cloud computing bandwagon. Hence, I bought, among others, a small position in Rackspace Technologies. A long way down Now, my Rackspace shares have plummeted in price since I bought them. ...
3772 sym 15 img
calmcode.io > video tutorials for open source tools
calmcode.io is an e-learning platform that I really really really recommend to programmers and data scientists: It is free. It involves open source tools. It uses bite-sized tutorial videos. It explains tools clearly. It explains everything calmly. There’s tons of content about computer programming, data science, and personal productivity. On t...
1117 sym 6 img