Version 2.0 of the ggplot2 package (on GitHub) has a very nice mechanism for adding new geoms and stats (more about it here). Christmas are coming, so maybe one would like to make his plots more tree’ish? Below you will find a definition of geom_christmas_tree() geom. It supports ... [Read more...]

I’ve prepared a short console-based data-driven R game named ,,The Proton Game’’. The goal of a player is to infiltrate Slawomir Pietraszko’s account on a Proton server. To do this, you have to solve four data-based puzzles. The game can be played by beginners as well as heavy ... [Read more...]

Inspired by the conference held in Amsterdam „R in Insurance”, we would like to dedicate the November meetup of Warsaw R Users Group to Insurance. The presentations will cover the practical aspects of insurance and more specifically the applications of R in insurance. Join us on Thursday, November 26, 2015, 6:00 PM, Koszykowa 75, ... [Read more...]

After summer holidays we are back with two talks: 6pm-6:30 – Adolfo Álvarez PhD ,,5 lessons I have learned at Analyx”. 7pm-7:30 – Piotr Migdał, PhD ,,Jupyter – the environment for learning and doing data analysis’’. See you tomorrow (22/10/2015) at 6 pm, Department of Mathematics, Warsaw University of Technology, Koszykowa 75 room 329. You … Czytaj dalej Warsaw ... [Read more...]

I am working on a project that introduces data-driven reasoning (and of course R) to secondary schools conveyed by the fictional adventures of two teenagers, Beta and Bit. Beta is a level-headed girl who has a passion for maths, logic and the art of deduction. Bit is a hot-headed hacker ... [Read more...]