Blog Archives

Cleaning up and combining data, a dataset for practice

March 11, 2018
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tldr: I created an open dataset for the explicit practice of data munging. Feel free to use it in assignments, but do mention where you got it from (CC-by-4.0). Also unicorns are awesome. Find the dataset at: https://github.com/RMHogervorst/unico...

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Adding logging to a shiny app with loggit

February 27, 2018
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This is a very short post with example code Over time when you move your shiny app from your computer to a server, you want to add some logging. Generally logging is defined in levels : INFO (everything you want to print), WARNING (it does not stop the application, but it could be a problem), and ERROR (fatal things). Shiny server does already log...

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Adding logging to a shiny app with loggit

February 27, 2018
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This is a very short post with example code Over time when you move your shiny app from your computer to a server, you want to add some logging. Generally logging is defined in levels : INFO (everything you want to print), WARNING (it does not sto...

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Setting up a version controlled shiny-server

February 5, 2018
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Last week I set up a shiny server, it was relatively easy! But I wanted something more, a way to make changes on my local computer and push it to the server. Shiny server (I used the open source version) has multiple installers provided by RStudio. The installers for shiny-server create a user shiny and installs all the services needed. I used...

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Setting up a version controlled shiny-server

February 5, 2018
By

Last week I set up a shiny server, it was relatively easy! But I wanted something more, a way to make changes on my local computer and push it to the server. Shiny server (I used the open source version) has multiple installers provided by RStudi...

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Moving parts of a country over a map

January 28, 2018
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Moving parts of a country over a map

I love making maps, I also love making gifs. In this short post I make an animated gif of parts of a map moving. In this case the parts of the map only move in the xy direction, but you can also turn them, and make them bigger or smaller. Today I ...

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Moving parts of a country over a map

January 28, 2018
By
Moving parts of a country over a map

I love making maps, I also love making gifs. In this short post I make an animated gif of parts of a map moving. In this case the parts of the map only move in the xy direction, but you can also turn them, and make them bigger or smaller. Today I show you how I made a part of the...

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add abbreviations to your rmarkdown doc

January 23, 2018
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Today a small tip for when you write rmarkdown documents. Add a chunk on top with abbreviations. in the first chunks you set the options and load the packages. Next create abbreviations, you don’t have to care about the ordering, just put them down as you realize you are creating them. The first step makes a dataframe (a tibble, rowwise), and the...

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add abbreviations to your rmarkdown doc

January 23, 2018
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Today a small tip for when you write rmarkdown documents. Add a chunk on top with abbreviations. in the first chunks you set the options and load the packages. Next create abbreviations, you don’t have to care about the ordering, just put them ...

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Adding bananas from the commandline (extending the oomsifier)

December 28, 2017
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Adding bananas from the commandline (extending the oomsifier)

Sometimes you just want to add bananas from the commandline. Previously I created a small script that takes an image and adds a dancing banana to the bottom left of the image. I wanted to make an API too, but that will have to wait till next year....

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