All Questions
Tagged with shinydashboard shiny-server
271
questions
0
votes
2
answers
25
views
Shiny downloadHandler does not download updated table when called from moduleServer in a separate script
In short:
If downloadHandler is used directly inside the server function, then the download works as expected; but if I use downloadHandler in a separate script in a modular way (inside a moduleServer)...
0
votes
0
answers
14
views
I need help outputting a renderPLOTLY Heatmap on a SHINY app
The provided code defines the server function for a Shiny application. This application appears to be part of a dashboard aimed at analyzing competitive positioning based on intellectual property in ...
0
votes
0
answers
52
views
try to find the mistake in my code error in parse ,missing coma shiny?
This is the error:
> Error in parse(file, keep.source = FALSE, srcfile = src, encoding =
> enc) : C:\Users\zeine\OneDrive\Desktop\CAST
> Lifeactuary\App-1\App2/app.R:39:1: unexpected ...
- 1
0
votes
0
answers
34
views
Persistent storage data in MYSQL database through shinny app
I have created a shinny app where i can communicate with mysql database and store values through a reactive dataframe where users input values.
First I created a table in the mysql database with sql ...
0
votes
1
answer
45
views
Reactive dashboard in R. Problem with the ggplot (won't show the data)
Task: I need to create a reactive dashboard by using ShinyApp with a given dataset. I need to create 3 inputs and at least 1 ggplot as a output.
Dataset: It has 14 columns (User.ID (shows user id), ...
- 1
0
votes
0
answers
43
views
Shiny App error with valid N/A, App says columns not found. How can It be fixed
How do I get shinny app to stop producing an error due to the valid N/A in certain columns? The N/A are valid and I would like to display them as absent in my Shiny app, But I first need to get past ...
0
votes
0
answers
18
views
How to updateTabsetPanel from module? [duplicate]
I'm trying to make a modular app that can change between modules from the touch of a button using updateTabsetPanel, but I've not been able to communicate with the module. I will attach a simple ...
1
vote
0
answers
412
views
Deploy shiny apps with Python on render.com
I built a shiny app using python and since I was having currently having problems deploying it to shinyapp.io I decided to look for other solutions.
I found render.com, which is way more easier to use ...
- 11
0
votes
0
answers
74
views
What is the selectizeInput limit for R Shiny and how can it be optimized for 200K ids?
I have a application where my dataframe is having a list of 200K ids and trying to pass them in my selectizeinput choices(choices = sort(unique(data$id))) parameter for user selection, while doing so ...
- 1
0
votes
1
answer
34
views
How to handle exception in R like in Java?
I am writing a server program in R where I upload PDF files and which later extracts data from the tables inside the pdf.
If required table and data is there, it works fine. But if not, it gives me ...
- 6,872
1
vote
0
answers
111
views
Shiny Dashboard Not Refreshing
The dashboard below has two tabs. Data is refreshed on changing the parameter. The first tab is refreshing properly with change in parameter. The second tab is not refreshed even though the parameter ...
- 41
0
votes
1
answer
79
views
Name-spacing is breaking when creating UI elements within nested moduleServers
I am developing a Shiny application with nested shiny modules, when I define variable UI elements within a nested module server the parent module name space is not inherited correctly. For example, if ...
- 3
0
votes
0
answers
82
views
Issue with R Shiny-server
I am making changes to shiny app on the R shiny server as the owner of the file. But I see that changes are not being reflected in the Shiny App.
I made some changes yesterday and changes were being ...
2
votes
0
answers
102
views
Write and Read keys in rEnvironment in Shiny
can someone help me with this?
Im setting up a map with maptiles by mapbox on shinyapps.io.
I saved the mapbox token in the rEnvironment. This command is not in the server-side of shiny and is run ...
- 35
1
vote
1
answer
192
views
argument "sidebar" is missing, with no default when creating shiny script
I'm creating a shiny app for an app that predicts morphine consumption based on several variables. When I attempt to run the app I receive a sidebar error message stating I am missing script to ...
- 11