2019-04-30 / Colin Fay / package, shiny

Building a Shiny App as a Package

Shiny App as a Package In a previous post, I’ve introduced the {golem} package, which is an opinionated framework for building production-ready Shiny Applications. This framework starts by creating a package skeleton waiting to be filled. But, in a world where Shiny Applications are mostly created as a series of files, why bother with a package? This is the question ...

2019-04-28 / Sébastien Rochette / database, docker, maps, tips

Interact with PostGIS from R

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 ...

2019-03-08 / Sébastien Rochette / dataviz, maps, tips

SatRday Paris: Build interactive waffle plots

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 ...

2019-03-04 / Colin Fay / development, package, shiny

Building Big Shiny Apps — A Workflow 2/2

Second part of the blog transcription of the talk I’ve given during the eposter session of the rstudio::conf(2019). Read the first part here. Building Big Shiny Apps: step by step Step 1: Designing Don’t rush into coding. I know you want to, because it’s what we like to do and what we are good at. But before entering the coding ...

2019-02-03 / Colin Fay / shiny, tips

A little trick for debugging Shiny

This is gonna be a short post about a little trick I’ve been using while developing Shiny Apps. (Spoiler: nothing revolutionary) A browser anywhere, anytime The first thing to do is to insert an action button, and a browser() in the observeEvent() watching this button. This is a standard approach: at any time, you just press this button, and you’re ...

2018-09-20 / Cervan Girard / docker, server, shiny, shinyproxy

Shiny application in production with ShinyProxy, Docker and Debian

You created some great Shiny applications, following our advice of Shiny packaging for example, and you want to put them into production, self-hosting, so that others can enjoy them, without limitations, on the Internet or on an internal server of your company? ShinyProxy is for you! ShinyProxy v2.0 has recently been released. What a great opportunity to talk about its ...