spatial

Create a twitter bot on a Raspberry Pi 3 using R

With Marion Louveaux, we decided that we had to build a Twitter bot for our preferred hashtag. We explored different possibilities but truth is I couldn’t resist building it using R and {rtweet}. Here are the steps I used to set up a Twitter bot on my Raspberry Pi. […] I use package {rtweet} …

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Render mesh3d objects with rayshader and rayrender

People like to show 3D images in their presentations because it usually impresses the audience. Does it really ? I do not care ! I am just looking for an opportunity to play with some 3D images… This blog post is a detailed version of some 3D images shown during my presentation “Everything but maps …

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Kaggle survey 2018: Maps of programming languages used and repartition of reproducibility issues

Last year I participated to the Kaggle survey data challenge. The challenge objective: tell a data story about a subset of the data science community represented in this survey, through a combination of both narrative text and data exploration. I used this opportunity to build ternary choropleth …

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Play with spatial tools on 3D cells images

Let’s play with mapping tools on non-maps data ! {rayshader} is nice on raster maps, but what about using it on segmentized plant cell? […] I wanted to find a good reason to play with Tyler Morgan-Wall packages for 3D visualisation of raster data: {rayshader} and {rayfocus}. Using cell …

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Introduction to mapping with {sf} & Co.

At the “Rencontres R 2018” in Rennes, I proposed a brief introduction to mapping using the recent {sf} package and some other interesting packages. This blog post is an extended version of my presentation allowing me to share the code of the different maps that appeared on it. It’s still a brief …

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Spatial correlation between rasters

In this blog article, I propose a way to look at the spatial repartition of correlation between two rasters. For your own reason, you may want to know the correlation between rasters, but a unique value issued from fonction cor is not enough. You would like to know if there are variations of …

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