Nested unit tests with testthat

October 6, 2024 | R some blog

The testthat package is the most widely used tool for unit testing in R. However, many users may not be aware of the possibility to nest test blocks within each other. In this post, I demonstrate how this underused feature provides a great way to struc... [Read more...]

Dudeney’s Remainder Problem

October 6, 2024 | John Mount

The remainder problem The description of this puzzle really cracks me up (Dudeney, Strand Magazine, January 1924). Health risks aside, how do we find the maximal integer d such that (480608 % d) = (508811 % d) = (723217 % d)? The solution A good puzzle strategy is to try […]
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Is round(0.5) 0 or 1?

October 5, 2024 | jhk0530

Actually, it’s both possible This Article was originally published before on YOZM-IT as Korean Various way of data science  There are many programming languages in the world and software that utilizes them. And those play an important role in “Data science”. For example, if you’re using funnel analysis ...
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Getting started with SQL with R

October 4, 2024 | Albert Rapp

In today’s blog post, I’m showing you how to work with databases from within R. As always, you can find the video version of this blog post on YouTube: Establish a connection Let us start by setting up a database connection. library(odbc) lib... [Read more...]

An Easy Puzzle: The Perplexed Banker

October 4, 2024 | John Mount

Nina Zumel continues with the puzzles. This one is “The Perplexed Banker”. In my opinion, this one captures the essence of the “mathematical” aspect of a puzzle. For a mathematical puzzle one often hopes there is a systematic method that makes the puzzle easy. In this case there is indeed […] [Read more...]

Reading REDATAM databases in R

October 2, 2024 | pacha.dev/blog

REDATAM REDATAM (Retrieval of Data for Small Areas by Microcomputer) is a data storage and retrieval system created by ECLAC and it is widely used by national statistics offices to store and manipulate census and survey data. However, conductin...
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MiraiLabs 2024: Scale Your Analytics

October 2, 2024 | Mirai Solutions

On September 17, 2024, data science and engineering practitioners gathered at Impact Hub Zürich to attend our MiraiLabs workshop Scale Your Analytics: Leveraging Apache Spark in Python and R We’re happy to report that the event was a resounding s...
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