Questions tagged [shiny]
Shiny is an R package that makes it easy to build interactive web applications using only R. For the Python Shiny package, use the tag [py-shiny] instead.
shiny
29,182
questions
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19
views
How to format table cells in R Quarto HTML document (xtable)
I created an HTML-based R-Quarto document running on the knitr engine. In the example below, I set up the document, include dplyr, and try to format cells of mtcars that are above the column's average ...
- 15
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21
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Openxlsx Excel file with hyperlinks not working in Protected View
I'm making excel files that contain hyperlinks in some cells using the openxlsx package.
However, when you download the file from the Shiny app, it opens in Protected view. Trying to click on the link ...
- 371
1
vote
1
answer
21
views
How to add markers in a Leaflet minimap?
I have created an application in Shiny which allows for selecting a place and then displays a datatable with information and a marker at the corresponding position in the map. The marker is set in ...
- 97
2
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34
views
How to render JPEG stored in S3 bucket in RShiny
I am trying to read in a JPEG hosted on an S3 bucket inside an RShiny app I have developed. So far, the only luck I have had is manually downloading the image and rendering the image using imageOutput(...
- 41
-1
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22
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Generating Elastic search query in R shiny similar to Java
In my R shiny app, I need to fetch data from Elastic search. But for that, I need an elastic search query in query DSL json to fetch the results from Elastic Search. However similar to Java, I can't ...
1
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1
answer
39
views
Table Display based on filter selection and custom polyline click
I have a shapefile with segments of varying lengths. For each segment, I have attributes including segment id, year, time period, and other variables like traffic volume. Right now a user is able to ...
- 1,287
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35
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How to force shiny apps to take up the whole length on mobile devices?
I created a website with several pages using R markdown.The first page just contains introductory text. The second page consists of four tabs, each for a shiny app (map or table).
It all works well on ...
- 135
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35
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Resolve conflict between jquery, shiny.fluent, highcharter in r shiny app
I'm completely new to adding scripts.js to r shiny.
I'm trying to dynamically adjust height of sidebar dependent on height of main content. So javascript required.
Including useShinyjs() in my UI,I ...
- 195
2
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answers
24
views
Rendering task update messages as they are completed in Shiny App
Within an observer button event, I'm trying to render an update message to the Shiny UI upon completion. In the code below, each task is timestamped correctly however they aren't rendered to the UI ...
- 21
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26
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How to have a ReactShinyInput inside a ReactShinyWidget?
I have just started playing with the reactR package in the hope of having React elements usable with Shiny R.
I have got project with the scaffoldReactWidget function setup and working quite nicely so ...
- 160
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2
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35
views
Updating selectInput in shiny app based on user selection
I have a simple shiny app with 2 select input :
shinyApp(
ui = fluidPage(
selectInput("Params1", "Parameter 1",choices=c('Significant wave height [m]' = 'Significant wave ...
- 2,142
1
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38
views
html behavior inside R-shiny
I have a Rmd file with some math expression which I kint it inside R and get a html file:
---
title: "Random Markdown with Math"
author: "Example Author"
date: "2024-07-15&...
- 2,142
-1
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answers
26
views
Issues loading packages into DesktopDeployR
I'm trying to publish a Shiny App via DesktopDeployR method https://www.youtube.com/watch?v=t6laYlLdgH8. Required for specific "non-internet" environment.
The error below occurs even when ...
- 29
1
vote
2
answers
42
views
How to change the color of a RadioButton option depending on whether it is the correct choice?
I am currently developing an R Shiny App to train some new starters at our company in R. Using Shiny, I want to include multiple choice questions and options to test people on certain questions. For ...
- 13
-1
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1
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18
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How to hide / show nav_panel based on user role
I have a shiny app using auth0 authentication and bslib framework, with three nav_panel() and a sidebar.
I want specific panels to be shown or hidden based on the logged-in users role. For example if ...
- 85