Publications by Sebastian Wolf
The fastest cyclists of Europe live in …
Analyzing STRAVA data to find out which city has the faster cyclists with R and R-shiny. My contribution to the shiny contest. STRAVA is one of the most popular fitness tracking apps. It not only allows users to track their own activities but also following professionals. STRAVA made running and cycling a game for everybody. It split the world...
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The fastest cyclists of Europe live in …
The fastest cyclists of Europe live in …Analyzing STRAVA data to find out which city has the faster cyclists with R and R-shiny. My contribution to the shiny contest.A shiny app visualizing STRAVA segments in London and Paris and seeing where people are fasterSTRAVA is one of the most popular fitness tracking apps. It not only allows users t...
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shinymeta — a revolution for reproducibility
Joe Cheng presented shinymeta enabling reproducibility in shiny at useR in July 2019. This is a simple application using shinymeta. You will see how reactivity and reproducibility do not exclude each other. I am really thankful for Joe Cheng realizing the shinymeta project. Introduction In 2018 at the R/Pharma conference I first heard of the co...
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Climbing Mt. Whitney with web browser automation and R
Mount Whitney is the tallest mountain in the contiguous United States and you need a permit to climb it. These permits are limited. But from time to time, somebody will return his permit. It will show up on the permit website recreation.cov. I wanted to get one of those and will tell you how. A friend of mine had a time window of two weeks to ge...
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3D GPS data animation – virtually climb the Alps
Using the amazing package rayshader I wanted to render a video of my tour to Alpe d’Huez. Now I created an R package that can use any GPX file and return a 3D video animation from it. In July 2019 my friend Tjark and I went to France to cycle the 21 hairpin bends to Alpe d’Huez. The climb has a distance to the summit (at 1,860 m (6,102 ft))...
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3D GPS data animation – virtually climb the Alps
Using the amazing package rayshader I wanted to render a video of my tour to Alpe d’Huez. Now I created an R package that can use any GPX file and return a 3D video animation from it. In July 2019 my friend Tjark and I went to France to cycle the 21 hairpin bends to Alpe d’Huez. The climb has a distance to the summit (at 1,860 m (6,102 ft))...
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Does using dtplyr make sense for all datasets?
When Hadley Wickham published dtplyr 1.0.0 last week, I was super excited. Moreover, I wanted to know, if it really is a useful package. Therefore I performed some tiny research being presented in this blog entry. Ok. So dtplyr gives you the speed of data.table with the nice API of dplyr. This is the main feature. You will see the this in the fol...
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Does using dtplyr make sense for all datasets? (UPDATED)
When Hadley Wickham published dtplyr 1.0.0 last week, I was super excited. Moreover, I wanted to know, if it really is a useful package. Therefore I performed some tiny research being presented in this blog entry. This article was updated at December 2nd 2019 due to upcoming issues: https://github.com/zappingseb/dtplyrtest/issues?q=is%3Aissue+is...
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Celebration2020 – A great get together to celebrate 20 years of R-1.0.0
Last week (Feb 28th – Feb 29th) the celebration of 20 years R 1.0.0 took place in Copenhagen, Denmark. It turned out to be a fun conference. People told lots of anecdotes from the earlier days of R. Peter Dalgaard brought with him the very first CD with R-1.0.0. First CD with R-1.0.0 and the signatures of the core team Visitors had the possibi...
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Celebration2020 – A great get together to celebrate 20 years of R-1.0.0
Last week (Feb 28th – Feb 29th) the celebration of 20 years R 1.0.0 took place in Copenhagen, Denmark. It turned out to be a fun conference. People told lots of anecdotes from the earlier days of R. Peter Dalgaard brought with him the very first CD with R-1.0.0. First CD with R-1.0.0 and the signatures of the core team Visitors had the possibi...
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