Articles by Learning Machines

R Coding Challenge: How many Lockers are Open?

February 2, 2021 | Learning Machines

The German news magazine DER SPIEGEL has a regular puzzle section in its online version, called “Rätsel der Woche” (“Riddle of the Week”). Some of those puzzles are quite interesting but I am often too lazy to solve them analytically. So I often kill two birds with one stone: ... [Read more...]

ELIZA Chatbot in R: Build Yourself a Shrink

January 26, 2021 | Learning Machines

More and more companies use chatbots for engaging with their customers. Often the underlying technology is not too sophisticated, yet many people are stunned at how human-like those bots can appear. The earliest example of this was an early natural language processing (NLP) computer program called Eliza created 1966 at the ... [Read more...]

Create Return Triangle Plots with R

January 19, 2021 | Learning Machines

How lucrative stocks are in the long run is not only dependent on the length of the investment period but even more on the actual date the investment starts and ends! Return Triangle Plots are a great way to visualize this phenomenon. If you want to learn more about them ... [Read more...]

Learning R: Christmas Coding Challenge

December 22, 2020 | Learning Machines

In this year’s end post I will give you a little programming challenge! Everybody knows the Christmas song “The Twelve Days of Christmas”! Your task is to write an R script that creates the lyrics! The lyrics are the following: On the first day of Christmas My true love ... [Read more...]

Create Bart Simpson Blackboard Memes with R

November 10, 2020 | Learning Machines

Everybody knows the Simpsons, everybody loves the Simpsons and everybody can laugh about Bart Simpson writing funny lines on the blackboard! If you want to create your own Bart Simpson Blackboard Meme Generator with R read on! Conveniently enough there is a package for creating memes already (who would have ... [Read more...]

3.84 or: How to Detect BS (Fast)

October 6, 2020 | Learning Machines

In From Coin Tosses to p-Hacking: Make Statistics Significant Again! I explained the general principles behind statistical testing, here I will give you a simple method that you could use for quick calculations to check whether something fishy is going on (i.e. a fast statistical BS detector), so read ... [Read more...]

Network Analysis: Who is the Most Important Influencer?

July 28, 2020 | Learning Machines

Networks are everywhere: traffic infrastructure and the internet come to mind, but networks are also in nature: food chains, protein-interaction networks, genetic interaction networks and of course neural networks which are being modelled by Artificial Neural Networks. In this post, we will create a small network (also called graph mathematically) ... [Read more...]
1 2 3 4 6

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)