Category "shiny"

Add row number column to a reactive data frame in Shiny

I am trying to add a row index column to a reactive data frame created on-the-fly from user inputs. I am able to do this outside of Shiny using the tibble::rowi

How can I access camera and take photos within my R Shiny App? [closed]

I am willing to make my Shiny App accessing the camera and take photos every 5 seconds in the background. I do not want to see the photos on t

Docker container with shiny app listening on localhost

I am working with a linux server and I would like to run a docker container with my shiny app, but it is not working. In order to check the problem, I have run

renderPlots() not showing when on shinyapps.io but do show when I run app locally using conditionalPanel

I am trying to make one of two plots depending on browser size (from shinybrowser) using conditionalPanel. The plots are appearing when I run the app locally bu

How to return a reactive dataframe from within a shiny module that depends on a button click?

Aim: Return a reactive dataframe object from within the module named "modApplyAssumpServer" Problem: I am getting an endless loop. Even if I wrap everything wi

Keep libraries in memory even when all browsers are closed

I have a shiny app on RStudio's free shiny server that uses a fair number of libraries which results in a slow calculation time. The time for the UI to load is

How to add fileInputs into DT

I need to add a fileInputs to each row of a table. Unfortunately, this widget does not work correctly, unlike regular actionButtons and other elements. The wind

Change plot size of rglwidget in shiny

I would like to stretch these plots to the window size or at least make them bigger: ui.R options(rgl.useNULL = TRUE) library(shiny) library(rgl) shinyUI(flui

Shiny app file upload is substantially slower on different machines

I have a shiny application that takes a file upload, calls a script that processes the uploaded file, and writes 4 csvs as output. The app works but as the titl

Problem viewing a pdf file in a shiny app

To view a pdf file and my shiny app, I use the following code on the server side, which everyone recommends: output$pdf_info_exper <- renderUI({ se

Communication between modules and looping through values to create several modules

Goal I have five expectations: Solution using modules Communication between modules Dynamic creation of modules local storage using shinyStore Export result in

Internal link between tabs to specific section in R Shiny app

I want to link to a specific content of another tabPanel within an R Shiny app. I've found plenty of advice on how to do the half part of it respectively: there

Why is updateTabsetPanel running last inside an observeEvent?

I am looking to: Insert UI elements Update UI elements Run a long calculation All after pressing one button. Example app: #EXAMPLE APP---- #Libraries---- librar

Shiny Error: replacement has 2 rows, data has 1

I am trying to create a Shiny app, in which users can select an "option" in the drop-down box(created using selectInput) and Shiny will display the data table a

Trouble reading HTML table saved with gtsave

I saved a table created by gt in HTML using gtsave. I'm having trouble loading and displaying this small HTML table in Shiny The HTML table is at: https://filed

What kind of object i get with input$checkboxGroupInput in shiny?

I want to do a TA dashboard in shiny and i wish to plot each indicator checked from the checkboxGroupInput the problem is when using input$my_checkboxGroupInput

Formatting the elements of a panel

This is a snippet of my interface (if choices = c () it means that the choice is managed on the server side): sidebarPanel( selectizeInput( "s1",

How to have a single download button for all datatables in R shiny webpage

I am working with a shiny app where it is desired to have a single downloadButton in the header of the application that downloads the data table present in the

Editable Table functionality in R-Mobile Shiny

I see that datatable works well with Shiny web to have editable cells or rows/columns. They are caught using cell_edit events. But I cant find a similar thing f

Shiny Apps, ioslides (or just Rmarkdown), and Github

I have an ioslides/rmarkdown file with an embedded Shiny app. I was hoping to put this presentation on my github account but when I do the app stops running.