# Übersetzungsverhältnisse bei Shimano-Gangschaltungen

Nachdem mir 2018 mein Trekkingrad gestohlen worden ist, habe ich mir einfach ein neues Trekkingrad gekauft. Dabei habe ich mir keine weiteren Gedanken über das Übersetzungsverhältnis gemacht. Ich habe vorne Kettenblätter mit 26, 36 und 48 Zähnen. Hinten eine Kassette mit zehn Ritzeln zwischen 11 und 34 Zähnen.

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# Reproducing a Melody the Physicist Way

I regularly listen to trance music, a genre within electronic dance music. It is more melodic than techno. In 2001, Luna Park had created the Space Melody (Spotify link). There is a melody in there, which other artists have used in another track in 2020, Space Melody. This melody apparently was so popular that it somebody dedicated a whole track to it, also in 2020: Space Melody Resurrection. The melody in isolation starts at minute 2:45.

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# Survey of Plot Systems

I present a few different plot libraries for Python and R and show my favorites.

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# Default Standard Deviation Estimators in Python NumPy and R

I recently noticed by accident that the default standard deviation implementations in R and NumPy (Python) do not give the same results. In R we have this:

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# Three And Five Liters

There is this classic riddle where you are given two containers, one has a capacity of three liters and the other five liters. Your task is to extract exactly four liters. There are no further markings on the containers.

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# Long and Wide Data Format

There are multiple ways of structuring data. Two sensible formats are the long and the wide data format. In this article I want to do the same problem in two different ways and show the relative merits.

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# R Horror, aka "HorroR"

I have been using R for a while now, there are a few things that seem outright horrifying to me. Don't get me wrong, R is a great tool. I just find the language a bit bewildering.

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# MechWarrior Online Weapon Analysis

I played around with the weapons from MechWarrior Online in R. The following is created from an Rmarkdown document.

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# Fizz Buzz

There is a rather simple problem that sometimes is asked in job interviews:

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