633 search results for "shiny"

Accept payments in shiny app

August 3, 2015
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Accept payments in shiny app

Have you ever think about accepting payments in your shiny app? Probably not, but now you can start ;) Shiny apps are usually single task, not very heavy websites. It may be not so easy to turn them into online shop/service provider. Anyway you can find this post interesting as it presents a paperwork-less implementation to accept payments. Some notable features...

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Article Spotlight: Persistent data storage in Shiny apps

July 15, 2015
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Article Spotlight: Persistent data storage in Shiny apps

The articles section on shiny.rstudio.com has lots of great advice for Shiny developers. A recent article by Dean Attali demonstrates how to save data from a Shiny app to persistent storage structures, like local files, servers, databases, and more. When you do this, your data remains after the app has closed, which opens new doors

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Combining Hadoop, Spark, R, SparkR and Shiny…. and it works :-)

July 9, 2015
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Combining Hadoop, Spark, R, SparkR and Shiny…. and it works :-)

A long time ago in 1991 I had my first programming course (Modula 2) at the Vrije University in Amsterdam. I spend months behind a terminal with a green monochrome display doing the programming exercises using VI. Do you remeber Shift … Continue reading →

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A Tutorial on Writing Simulation Apps in Shiny

July 3, 2015
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I stand in awe of the R wizards who post their latest and greatest Shiny feats on R-Bloggers. It’s taken me a while to find my way around Shiny, but at last I feel ready to fill in a few gaps for others who may be just starting out and who aspire to write reasonably involved,...

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Persistent data storage in Shiny apps

July 1, 2015
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This article is also published on RStudio’s Shiny Articles Shiny apps often need to save data, either to load it back into a different session or to simply log some information. However, common methods of storing data from R may not work well with Shiny. Functions like write.csv() and saveRDS() save data locally, but consider how

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Shiny finally has a colour picker – use colourInput to select colours in Shiny apps

June 28, 2015
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Shiny finally has a colour picker – use colourInput to select colours in Shiny apps

I don’t always think Shiny is missing anything, but when I do - I fill in the gap myself. That was meant to be read as The Most Interesting Man In The World, but now that I think about it - maybe he’s not the type of guy who would be building Shiny R packages… Shiny has many useful...

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RStudio adds custom domains, bigger data and package support to shinyapps.io

June 24, 2015
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RStudio adds custom domains, bigger data and package support to shinyapps.io

It’s time to share “What’s New” in shinyapps.io! Custom Domains – host your shiny applications on your own domain (Professional Plan only).  Learn more. Bigger applications – include up to 1GB of data with your application bundles! Bigger packages – until now shinyapps.io could only support installation of packages under 100MB; now it’s 1GB! (attention

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The 2D-Harmonograph In Shiny

June 23, 2015
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The 2D-Harmonograph In Shiny

If you wish to make an apple pie from scratch, you must first invent the universe (Carl Sagan) I like Shiny and I can’t stop converting into apps some of my previous experiments: today is the turn of the harmonograph. This is a simple application since you only can press a button to generate a random harmonograph-simulated … Continue reading...

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New Shiny cheat sheet and video tutorial

June 22, 2015
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New Shiny cheat sheet and video tutorial

We’ve added two new tools that make it even easier to learn Shiny. Video tutorial The How to Start with Shiny training video provides a new way to teach yourself Shiny. The video covers everything you need to know to build your own Shiny apps. You’ll learn: The architecture of a Shiny app A template

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New Shiny App for Exploring Census Tract Demographics

June 18, 2015
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New Shiny App for Exploring Census Tract Demographics

Today I am happy to announce a new web app I have created for exploring Census Tract Demographics in California. You can view the running app here. The source code is available here. I view the app as a companion to my new package choroplethrCaCensusTract, which is designed to make it easier to work with The post

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