999 search results for "shiny"

Shiny module design patterns: Pass module input to other modules

April 14, 2016
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Shiny module design patterns: Pass module input to other modules

Following on from looking at the shiny modules design pattern of passing an input value to many modules, I’m now going to look at a more complex shiny module design pattern: passing an input from one module to another. TL;DR Return the input in a reactive expression from within the server call. Store the callModule() The post

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Try’in to 3D network: Quest (shiny + plotly)

April 8, 2016
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Try’in to 3D network: Quest (shiny + plotly)

I have an unnatural obsession with 4-dimensional networks. It might have started with a dream, but VR  might make it a reality one day. For now I will settle for  3D networks in Plotly. Presentation: R users group (more) More: networkly

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Election analysis contest entry part 3 – interactive exploration of voting locations with leaflet and Shiny

April 8, 2016
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Election analysis contest entry part 3 – interactive exploration of voting locations with leaflet and Shiny

Motivation This post is the third in a series that make up my entry in Ari Lamstein’s R Election Analysis Contest. First I introduced the nzelect R package from a user perspective. Second was a piece on how the build of that package works. Today, the third in the series introduces an interactive map of...

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Shiny module design patterns: Pass a single input to multiple modules

April 8, 2016
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Shiny module design patterns: Pass a single input to multiple modules

For the awesome Shiny Developers Conference back in January, I endeavoured to learn about shiny modules and overhaul an application using them in the space of two days. I succeeded and almost immediately switched onto other projects, thereby losing most of the hard-won knowledge! As I rediscover shiny modules and start putting them into more The post

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The Coaster Maker by Shiny

April 4, 2016
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The Coaster Maker by Shiny

The word you invented is well formed and could be used in the Italian language (The Accademia della Crusca regarding to the word “Petaloso”, recently invented by an eight-year-old boy) Are you tired of your old coasters? Do you like to make things by your own? Do you have a PC and a printer at … Continue reading...

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Election tRends: An interactive US election tracker (using Shiny and Plotly)

March 29, 2016
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Guest post by Jonathan Sidi Introduction The US primaries are coming on fast with almost 120 days left until the conventions. After building a shinyapp for the Israeli Elections I decided to update features in the app tried out plotly in the shiny framework. As a casual voter trying to gauge the true temperature of … Continue reading...

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An Integrated Shiny App for a Course on Repeated Measurements Analysis (completed)

March 18, 2016
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An Integrated Shiny App for a Course on Repeated Measurements Analysis (completed)

Repeated Measurements AnalysisRepeated measurements analysis, and in particular longitudinal data analysis, is one of the two most frequently used types of analysis in my field (Biostatistics) - the other being survival analysis. Starting from this yea...

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R Shiny leaflet: using observers

March 16, 2016
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R Shiny leaflet: using observers

Using leaflet in R is fairly simple and there are plenty of online resources and examples available already. See the RStudio tutorial to get started if you haven’t already. This post presents a series of examples which build upon each other. The code displays both point data and raster data on leaflet maps with Shiny

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Install all required R packages on your Shiny server

March 13, 2016
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Install all required R packages on your Shiny server

Abstract I give a walkthrough of a bash script that installs all of the R packages required by an R program (e.g., Shiny app, R file, R markdown file). This is useful for speeding up the workflow of adding a new Shiny app to a server. Why do we need a script? As explained in Dean Attali’s excellent post on how...

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Add Authentication to Shiny Server with Nginx

March 9, 2016
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Add Authentication to Shiny Server with Nginx

Shiny Server is a great tool, but I’ve always found it odd that there was no built-in password authentication. Sure, the Shiny Pro edition has SSL auth., but even for open source projects, I’m not really crazy about just anyone hitting my server whenever they want. To solve this little problem, I whipped up two

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