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Questions tagged [flexdashboard]

An Easy interactive dashboards for R.

Flexdashboard is a package developed by the RStudio team that enables individuals to easily create flexible, attractive, interactive dashboards with R. Authoring and customization of dashboards is done using R Markdown and can optionally include Shiny components for additional interactivity.

Reference and documentation: http://rmarkdown.rstudio.com/flexdashboard/

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Use uploaded file name in download handler of flexdashboard shiny app

I want to be able to use the name of a file uploaded to my shiny app in the download handler. My use case it to generate a report and concatenate the original file name (the one uploaded) with additional text. I created a MWE app where you can…
Stefan Avey
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Using plot_click in flexdashboard

Is there a way to have plots with mouse interactions using flexdashboard? In shiny this is not difficult. I want to save mouse clicks, and in shiny UI I would use: mainPanel(plotOutput("scatterplot", click = "plot_click")) And in the server you…
zippedlightning
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update slider range value based on selectInput value

I have a flexdashboard with a shiny app. I want to update the value of a sliderInput called "agerange" based on a selectInput value in "agecat". With the code below, I can get the lower value of the selected range to change from 15 to 20 when I…
Eric Green
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Download charts in flexdashboard

I am trying to use a download button in the input column of a flex dashboard to download a collection of charts rendered as *.pdf. The entire dashboard works just fine, and the download button renders properly; however, when I click the download…
rdb3
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Shiny app getting disconnected from server (trial version of shiny server pro)

I have a shiny app which works fine when launched from RStudio but gets a "disconnected from server" error when running on shiny server pro (i tried open source as well as 45 day trial version, this is on RHEL 7.5 VM). The application is reading a…
Amit Arora
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Assign Flexdashboard reactive input value to dataframe cell

I want to copy some flexdashboard reactive input values to a dataframe so that I can export them to a file. This code works for y as a scalar: y <- reactive({input$data1}) But this code does not with df a dataframe with an empty column declared as…
SteveM
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Shiny - nested modules: how to generate observers for dynamically generated UI elements?

I am trying to use nested modules in a shiny flexdashboard. The code works well in generating dynamically input and outputs, but I am having problems using actions on them in observers (also to be generated by module). I had seen questions regarding…
hamagust
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Cannot add text to dataframe in downloadHandler

I am trying to add source information to a downloaded table which contains a dataframe. I am using the download file handler to download the file. I have implemented downloading of just the dataframe without appending additional text and that works…
Piyali Das
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Calculating cumulative values from selected rows in DT

I want to be able to select several rows from at a DT and have a cumulative percentage of a column value represented in a flexdashboard gauge. I need to call from the selected rows as I'm planning to use this with crosstalk, where rows will be…
Scott
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runjs to change location in observeEvent in flexdashboard?

I have a flexdashboard and there is an action button that does this: actionButton(inputId="submit", label = "Submit answers", class="btn btn-success", onClick="location.href='#section-your-results';") then an observer…
user3920344
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Shiny renderUI elements not scaling to smaller screen

I have a couple items on a shiny dashboard (using flexdashboard, shinyjs, & shinyWidgets) that become obscured whenever I try to scale from a browser size to a tablet or phone screen size. This is only happening to items instantiated using the…
rws
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Deploy Rmarkdown web app on server

I have developed a web application(flexdashboard) in runtime shiny by importing excel data into rmarkdown. I want to deploy it on a server which should work in real time i.e;i will share the link with users so that the end users can see what is…
Praneeth
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Using Shiny to introduce graph filter

Hello Stackoverflow Commununity ! I am working on a Dashboard using Flexdashboard and Shiny. I want to introduce a filter on a graph. The dataframe used for the graph is the following : date <- seq(as.Date("2017/1/1"), as.Date("2018/1/1"), by =…
flavien
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R reactive elements: use "i" (for i in 1:8) in generic id

I have a flexdashboard with several graphs and I want to add a hover function with a tooltip showing data on 8 of them. To avoid copying the whole hoveroptions + tooltip code 8 times, I use a loop to create the hoveroptions 8x (it's 8 times the same…
Tingolfin
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R flexdashboard browser issue

I have developed an R Flex dashboard with runtime: shiny. I am able to run it on my system, but when I click on open on the browser, it's not opening on any of the browsers, the error, I am getting is "recover page".
Mayank Rathore
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