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Questions tagged [shinyapps]

Questions regarding shinyapps.io by RStudio. This tag should NOT be used for general questions concerning Shiny: those belong to the tag `shiny`.

shinyapps.io is a product by RStudio that allows you to deploy and share your Shiny applications online.

shinyapps.io is a self-service platform that makes it easy for you to share your shiny applications on the web

Site: https://www.shinyapps.io/.
Docs: https://docs.rstudio.com/shinyapps.io/.

1217 questions
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How save textAreaInput() data in .bed format in shiny app?

I have a shiny like below, where I can add genomic coordinate and separate them by Space. I would like to know, how can I save data in a .bed format. Code: ui <- fluidPage( textAreaInput("list", "Input List"), actionButton("submit", "Submit", …
star
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Why does my actionbutton and selectinput doesn't work in shinyapp? It doesn't show at all

Here's the code I am also kind of new to R-programming or shiny app I hope anyone can help or guide me about this.
raeyu
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Can't create new directory on shinyapp.io

On the shinyapp.io log, I get an error saying it cannot create dir This works fine locally: datetime <- format(Sys.time(),"%Y%m%d%H%M%S") dir.create(file.path("tmp", paste0("_", datetime))) Not sure where I am going wrong. Folder structure is:
dwiz
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Why am I unable to plot the graph on RShiny?

I want to create a RShiny plot. When I launch the app, the sidebar is visible but there is no plot. What's causing the error? Here's my code: library(shiny) ui <- fluidPage( sidebarLayout( sidebarPanel( selectInput('xcol', 'X Variable',…
meloi
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How to display data in shiny which has been splitted into different parts?

I have created a shiny app where the user inputs some data and then the data is splitted into groups of rows like this based on a coloumn. This gives me different groups of data sets. The number of groups of data sets will always be different as it…
Damon Kutt
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R Shiny - How to position an image from top

I've used the below script but getting the image not aligned properly as it is not in the same line as the header. How to move the logo from top to the desired location? tags$img(src="R.png", height = 50, length = 50, align = "left"),
Anitha
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Obtaining and modifying the box select info from a Plotly map in shiny

I am trying to create an interactive shiny app that shows the user a Plotly map and allows the user to select different counties in the U.S. Then it can use the info on the selected counties to generate graphs and plots. However, it seems that the…
Kaihua Hou
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How to updating data after deploying shiny app on shinyapps.io

I need help to learn how to update my data after deploying on shinyapps.io. Raw data import from URL as the CSV format type. I would appreciate if somebody knows or provides documentation or example as a walkthrough. Thank you,
hamed.k
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How to implement blurred effect in the top navigation bar of Shiny-app

I was trying to implement the blurred effect on the top navigation bar in my Shiny-app as explained in https://codepen.io/dudleystorey/pen/RNMbGG. Below is my shiny-app - library(shiny) ui = shinyUI(fluidPage( tags$head( …
Bogaso
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Error deploying shiny app utilizing hydromad

So here is the error i am getting from the console. I understand that hydromad package is not on cran but I have added it as secondary repos in packages(Tools options in R studio) and in .R profile file. Still I am getting this error ****Preparing…
Shakooo
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Error in group_by(Country.Region) : object 'Country.Region' not found

I am trying to create a shiny app for Coronavirus. library(data.table) library(magrittr) library(dplyr) url <- "https://github.com/datasets/covid-19/blob/master/time-series-19-covid-combined.csv" data <- read.csv(url) Confirmed <-…
Prathit
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Efficiant way to load Wold Bank Data via WDI in shiny

I am working on a shiny dashboard project to visualize data from the World Bank. In total i need 14 different variables that I want to show in a data table. It works in R but when I try to do it in shiny I get a connection error. I think it takes…
Jakob Tiebel
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Ububtu, How to fix "Child Task Failure on Deployment"

I can run my Shiny app on the server but cannot deploy it. Here are the steps I take: 1) I start up Ubuntu as admin 2) sudo R library(rsconnect) 3) change directory to the folder containing the Shiny Web App 4) deployApp() 5) Am met with this…
Mikey Mike
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2 answers

Compiling a C++ code in in shinyapp.io

I have a C++ code (hello world code that prints "hello world!" in a text file). #include #include using namespace std; int main(int argc, const char * argv[]) { // insert code here... ofstream myfile; myfile.open…
Ali
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Replicating selectInput plot using sliderInput

the given script updates the process_map() plot in R shiny using selectInput. I wish to replicate the same functionality using a…
Ashmin Kaul
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