Articles by Learning Machines

COVID-19: Analyze Mobility Trends with R

April 21, 2020 | Learning Machines

The global lockdown has slowed down mobility considerably. This can be seen in the data produced by our ubiquitous mobile phones. Apple is kind enough to make those anonymized and aggregated data available to the public. If you want to learn how to get a handle on those data and ... [Read more...]

Collider Bias, or: Are Hot Babes Dim and Eggheads Ugly?

March 24, 2020 | Learning Machines

Correlation and its associated challenges don’t lose their fascination: most people know that correlation doesn’t imply causation, not many people know that the opposite is also true (see: Causation doesn’t imply Correlation either) and some know that correlation can just be random (so-called spurious correlation). If you ... [Read more...]

COVID-19: The Case of Germany

March 17, 2020 | Learning Machines

It is such a beautiful day outside, lot’s of sunshine, spring at last… and we are now basically all grounded and sitting here, waiting to get sick. So, why not a post from the new epicentre of the global COVID-19 pandemic, Central Europe, more exactly where I live: Germany?! ... [Read more...]

Business Case Analysis with R (Guest Post)

January 14, 2020 | Learning Machines

Learning Machines proudly presents a fascinating guest post by decision and risk analyst Robert D. Brown III with a great application of R in the business and especially startup-arena! I encourage you to visit his blog too: Thales’ Press. Have fun! Introduction While Excel remains the tool of choice among ... [Read more...]

Painting Santa with Letters

December 17, 2019 | Learning Machines

After my little rant (which went viral!) about the tidyverse from last week, we are going to do a little fun project in the 50’th ???? post of this blog: ASCII Art! If you want to have some fun by painting with letters (i.e. ASCII characters) in R and get ... [Read more...]

Why I don’t use the Tidyverse

December 10, 2019 | Learning Machines

There seems to be some revolution going on in the R sphere… people seem to be jumping at what is commonly known as the tidyverse, a collection of packages developed and maintained by the Chief Scientist of RStudio, Hadley Wickham. In this post, I explain what the tidyverse is and ... [Read more...]

Create realistic-looking Islands with R

December 3, 2019 | Learning Machines

Modern movies use a lot of mathematics for their computer animations and CGI effects, one of them is what is known under the name fractals. In this post, we will use this technique to create islands with coastlines that look extraordinarily realistic. If you want to do that yourself read ... [Read more...]

Teach R to see by Borrowing a Brain

November 12, 2019 | Learning Machines

It has been an old dream to teach a computer to see, i.e. to hold something in front of a camera and let the computer tell you what it sees. For decades it has been exactly that: a dream – because we as human beings are able to see, we ... [Read more...]
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