November 2017

Le Monde [last] puzzle [#1026]

November 1, 2017 | xi'an

The last and final Le Monde puzzle is a bit of a disappointment, to wit: A 4×4 table is filled with positive and different integers. A 3×3 table is then deduced by adding four adjacent [i.e. sharing a common corner] entries of the original table. Similarly with a 2×2 table, summing up ...
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R: the least disliked programming language

November 1, 2017 | David Smith

According to a recent analysis of Stack Overflow "Developer Stories", where programmer candidates list the technologies the would and would not like to work with, R is the least disliked programming language: This is probably related to the fact that there's high demand in the job market for fast-growing technologies, ... [Read more...]

A ggplot-based Marimekko/Mosaic plot

November 1, 2017 | That’s so Random

One of my first baby steps into the open source world, was when I answered this SO question over four years ago. Recently I revisited the post and saw that Z.Lin did a very nice and more modern implementation, using dplyr and facetting in ggplot2. I decided to merge ...
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Promises and Closures in R

November 1, 2017 | INWT-Blog-RBloggers

At the moment I try to improve my knowledge about functional programming in R. Luckily there are some explanations on the topic in the web (adv-r and Cartesian Faith). Beginning to (re)discover the usefulness of closures, I remember some (at first sight) very strange behaviour. Actually it is consistent ...
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