You plan to upgrade your server installation from Ubuntu 18.04 to Ubuntu 20.04 LTS? It is also the best time to migrate to R 4.0 ! By the way, if you always found difficult to install R packages for geographical data on Ubuntu, this time is over. Just follow the guide… Last time you read this kind of tutorial on ...

{golem} has been developed to help building big Shiny application to put in production. What if {golem} could be used to build another popular interactive web application, recently made available to R programmers: Dash ? Dash, a newcomer in interactive web applications A few days ago, Plotly announced Dash now available for R. After reading this announcement, I thought this ...

At useR!2019 in Toulouse, ThinkR opened a quizz allowing to win a pipe knight. About a hundred of respondents won this Playmobil. In this blog post, we review the questions and respondents answers. We’ll see that the crowd as almost always right, but they do not know who the real R oracle is… The quizz showed some difficulties and tricks ...

Documentation matters ! Think about future you and others. Whatever is the aim of your script and analyses, you should think about documentation. The way I see it, R package structure is made for that. Let me try to convince you. At use’R 2019 in Toulouse, I did a presentation entitled: ‘The “Rmd first” method: when projects start with documentation’ ...

We are pleased to announce that our package {attachment} is now available on CRAN. The goal of attachment is to help to deal with package dependencies during package development. It also gives useful tools to install or list missing packages used inside Rscripts or Rmds. Deal with dependencies during package development If you ever had the following error when checking ...

PostGIS extends capabilities of PostgreSQL database to deal with spatial data. Using PostGIS, your database supports geographic queries to be run directly in SQL. In this blog post, we will connect and interact with a PostGIS database from R, using {DBI} and {sf}. Package {sf} and PostGIS are friends Package {sf} is similar to PostGIS database in multiple ways: R ...

Can mapping tools be diverted to other uses? Of course ! See how we play with leaflet and leafgl to quickly render a giant waffle made of millions of polygons. Spatial tools are not only for spatial data At SatRday in Paris, I presented a talk entitled “Everything but maps with spatial tools”. The aim is to show that there ...

Do you plan to upgrade your server installation from Ubuntu 16.04 to Ubuntu 18.04 LTS ? It is also the best time to migrate to R 3.5 ! By the way, if you always found difficult to install R packages for geographical data on Ubuntu, this time is over. Just follow the guide… Note that this tutorial also works for ...

In the ThinkR Task force, we love playing with H2O in R. Their algorithms for machine learning and artificial intelligence are really powerful. Combined with Apache Spark through Sparkling Water, H2O provides even more powerful data processing workflows, which you can run on your own laptop. Installing Spark and H2O so that they work together within R The H2O documentation ...