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Questions tagged [shiny-server]

Shiny Server provides a platform on which you can host multiple Shiny applications on a single server, each with their own URL or port.

Shiny Server is a server program that makes Shiny applications available over the web.

Using Shiny Server, you can host multiple Shiny applications, as well as static web content, on a Linux server and make them available over the internet. You can specify what applications are available at what URL, or configure Shiny Server to let anyone with a user account on the server deploy their own Shiny applications.

1655 questions
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Setting up a conditional group_by

I have a set of data that looks as such: +----------+------------+-------+-------+ | step1 | step2 | step3 | step4 | +----------+------------+-------+-------+ | Region 1 | District A | 1A | 571 | | Region 1 | District A | 1A | 356…
user9302275
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R and Shiny App Secure Connection to Third Party Robinhood API

The R package RobinHood allows users to connect to their accounts and do various things. All of the functions within the package rely on one function called RobinHood which takes in your username and password and returns a oauth2 token from…
Sean
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Disable single radio choice from Grouped Radio Action Buttons

I have a below shiny code, I am trying to disable single radio button choice from grouped radio buttons. I can disable complete radio button using shinyjs::disable() function. But, having trouble disabling single…
Rushabh Patel
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need variable text to appear on every page of rendered WORD document in Rmarkdown

I have been on a search for the past 3 months for a way to be able to show a text on every page of the document. Note that I want this text to be changing so I can't just affix this as a header or a footer. Essentially I want something like…
potatopainting
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system commands in future/promises in Rshiny

I have the below server.R code in shiny app where a system command is run inside future which gives an output.vcf file. Upon creation of this file the progress bar is removed and a second system command is run to convert out.vcf to out.txt The…
chas
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R shiny dashboard not displaying graph for some reason. Will not let me add 2 reactive expressions to one ggplot render

I am trying to get a Shiny dashboard although my graph will not work. I have a data.frame consisting of a Date column in date format and 4 numeric column types which are ISA, NonISA, FixedRateInterest and VariableRateInterest and have filled the N/A…
geds133
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R parallel computing and Shiny Server using Dockerfile

I need some help with using parallel computing and the package future with shiny inside a Docker container. When I insert my app in shinyapps.io it works normally, but if I use Docker it gives me the following log error. [2019-04-22T19:49:24.320]…
Daniel Souza
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Can't run RSelenium rsDriver in Shiny app

So I want to have a shiny app that has a button. When that button is clicked I want to use Selenium to scrape some information from some website. This is my sample code: library(shiny) library(RSelenium) ui <- fluidPage( …
user3302464
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Shiny server cannot find default css and js files of shiny

I recently tried to deploy a shiny app on an EC2 instance but when I accessed the page IP-address:3838/app-name, I got a list of 404 errors in console for default css and js files of shiny such as shiny.css, shiny.min.js as well as default bootstrap…
hoanghs13
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ggplot on R Shiny, vs RStudio

For some reason a ggplot in "R Shiny" is different than that of plain R in RStudio the runnable Shiny code is library(ggplot2) library(scales) library(shiny) ui <- fluidPage( # Sidebar layout with a input and output definitions …
R.Merritt
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Get request headers from node-proxy to R- Shiny

I am authenticating a user using Auth0 and have a node server working as a proxy server. The authenticated user is redirected to my shiny app. I want to access/parse the node request header in R to get the user data. How do I pass my request header…
Dennish Jose
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How to share shiny apps with coworkers for free?

Is there a way to share shiny apps internally with non-R users for free with unlimited hours? Also, due to the sensitivity of the data, I'd prefer not to have it open to the public.
Mohamad Sahil
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How to read & display time in Navbar of Shiny R Dashboard

I want to display Last Updated time in the navbar of shiny R. For that I'm storing the last updated time in csv file which I will be using to read in the server.R but I'm unable to figure out how to display that time on the rightmost side of the…
r_a
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Same inputs on different tabPanels in navbarPage, Shiny R

I have a shiny app with ui that consist of a navbarPage with different tabPanels. Inside those I would like to have the same buttons for every tab. So every tab has the same button that links to same inputs. e.g. ui <- navbarPage( theme =…
Randomcloud
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Updating Shiny Server Config to change timeout error

I have a shiny app with a downloadHandler built in and it works great for smaller datasets but when the file gets large (330 MB), it times out and I get an error. I found this SO question (shiny downloadHandler timeout) which seems to address the…
Kevin
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