All Questions
27,509
questions
0
votes
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answers
26
views
How to remove real-time NA rows?
I'm writing a code in shiny to input data in real time and download a csv file, but I want to remove rows with NA in the final output file.
Is it difficult to remove rows in real time in shiny?
Is it ...
- 1
0
votes
0
answers
26
views
How to capture a legend event?
Is it possible to capture a legend activation / deactivation event of an echart using a shiny app?
mtcars |>
head() |>
tibble::rownames_to_column("model") |>
e_charts(model) |>...
0
votes
0
answers
19
views
'Maximum call stack size exceeded' when using tsibble::fill_gaps() in a shinylive webr app
I am using shinylive (v0.2.0) to write a Shiny (v1.8.1.1) app to run in the browser (Safari v17.5, 19618.2.12.11.6) using webr. The app takes data where each row represents an event and counts the ...
- 364
1
vote
0
answers
34
views
Combine event binding and dynamic outputs in shiny
My Shiny app consists of selecting a set of parameters to generate outputs based on the corresponding data, where each parameter is dependent on the previous one to narrow down which data needs to be ...
- 53
0
votes
0
answers
42
views
Element does not exist in dataset when selected via selectInput
In the shiny app below I try to group by selected input but I get:
Caused by error in `all_of()`:
! Can't subset elements that don't exist.
✖ Element `abs_edu` doesn't exist.
This is my code:
library(...
- 8,276
-1
votes
1
answer
29
views
How to change the background color of a Datatable header using css?
My question is similar to this question, except that I would like to use a css rule in an external css file.
- 85
0
votes
0
answers
23
views
R shiny app - rendering is much slower when run on remote server compared to local server
I made an R shiny app which runs perfectly in my local browser on my local server, however the rendering is noticeably slower when I run the same app from my local browser on a remote server. A quick ...
0
votes
0
answers
11
views
Grab the user details when a user authenticates an R shiny web app using Azure Active Directory
I am new to the concept of web apps deployed in Azure and related authentications.
I have an R Shiny app, hosted as an app service in Azure cloud using Docker containers. I have few Azure user groups ...
- 9
0
votes
1
answer
17
views
Direct input elements in shinydashboard sidebar
I was wondering if I could modify the following shiny app and put the sliderInput into the sidebar section :
library(shinydashboard)
ui <- dashboardPage(
dashboardHeader(title = "DB manager&...
- 2,154
0
votes
1
answer
33
views
Several packages not installed in RShiny with Docker
I create a Dockerfile:
# Base image https://hub.docker.com/u/rocker/
FROM rocker/shiny:latest
# system libraries of general use
## install debian packages
RUN apt-get update -qq && apt-get -y ...
- 1,709
0
votes
2
answers
33
views
Put the progress bar in the center and change the size of the message box in R Shiny
I am writng a R shiny web application. I am looking for a way to put the progress bar in the center of the webpage and adjust the size the of the bar. The function I used is "withProgress", ...
- 1,217
1
vote
1
answer
35
views
Error in bi_class() function: the condition has length > 1 while using Shiny
I am building an RShiny dashboard that allows the user to select two variables which then is plotted onto a bivariate map. This is the code so far:
library(ggplot2)
library(ggspatial)
library(cowplot)
...
- 13
0
votes
0
answers
34
views
Create a radarchart with dynamic grouping which is based on shiny widget
This is a shiny app in which first I need to select 3 or more columns from the selectinput() named Variable and then 1 from the Group selectInput().The first works as with this I set which variables ...
- 8,276
1
vote
2
answers
39
views
bslib theme toggle not working in R Shiny app
I'm trying to better grok Shiny so I can make some neat little apps or visualisations, but I am getting a confusing error when I try to add a dark-light mode toggle switch. I pretty much copied the ...
- 615
1
vote
0
answers
31
views
How to load local csv files into shinyLive code block within a Quarto document?
I want to create a quarto document that contains a code block that uses shinyLive to run an interactive graph.
At the moment, all the examples I have seen are either:
using R's inbuilt dummy data
or, ...
