Shiny Questions

I have the following data for which i am trying to make a set of dropdown filters that will alter the displayed dataframe according to what was

With this code i can upload a csv file in my shiny app. library(shiny) ui <- fluidpage( sidebarlayout( sidebarpanel(

I'd like to use the resizable function in jquery to resize column widths in a shiny application. unfortunately, i'm not sure how to pass along

I would like to preserve the "double-click to zoom" functionality in leaflet (in r), but would also like to add a click-event. in this case, the

I have a custom shiny input (myinput), which lets you include an icon. the icon can be updated in an updatemyinput

I have an app that allows the user to stratify data, and select the point-in-time to stratify. a function (stratdata(...)) in the

The following code filters rows of co2 with specific names from the 'plant' column. however i have been having trouble doing this. when i use

Can shinyjs do something like if(is_disabled("#my_element_id")) do_something()? i'd like to be able to see if a specific html element

I am trying to create two dropdowns based on user input. if a user selects "val1", then show values in the second dropdown from

I have integrated a webcam video capture into a shiny app using recordrtc and javascript. that works great and i can access and store my videos in

This is a question building on top of the discussion on

I'm using the sliderinput function with the animate argument to perform an automatic calculation in my shinyapp. however, using

I am creating a shiny app that uses a datatable. i want to create keyboard shortcuts for different elements in this app, which i can. however

I have this reproducible code below using the iris dataset. i am wondering how i can create an additional table below the current table or in a

I have an application which utilizes an actionbutton to apply a filter selection to a plot. the application also contains a reset

I'm looking to determine the font color of hover messages based on the background color, i.e. white if background is dark, and black if it is

I have some inputs that are generated or eliminated if some actionbuttons are activated. however, the input value is reset each time

I am currently exploring the possibility of visualizing the outputs obtained from rtweet in a shiny dashboard to allow users to explore their own

I have three tables (math, science, and literature results). i would like to have a "dynamic" table that updates some columns when

The code below enables me to add polygons i draw on a leaflet map to tables in my database. however i have some difficulties since the geometry

I have a shiny dashboard with multiple tabs. in one of the tabs, a slow database query fills the choices for a dropdown menu. i want the slow

The app below contains a selectinput input$set1 with two options (download and upload) and a radio button

This is a follow up question based on

In shiny apps we can add javascript code to run when a widget has rendered using onrender from library(htmlwidgets). the

I'm looking for a way to link actionbutton clicks to the legend status true/legendonly that doesn't

I am trying to figure out which traces the user hides from a scatter plot by means of deselecting them in the interactive legend of plotly.

I have been having problems combining the hide(), show() and reset() functions from the shinyjs package. i have two divs. one div collects data

I have the shiny app below in which i create a dynamic scatterplot. the thing is that when i create my ggplot outside of the shiny

My question is a bit more advanced than the

I'm working through an r shiny tutorial, and decided to veer off

This r shiny application appears to use

I am trying to calculate chi-square based on the user selecting columns from the data frame but i keep getting the following errors:

I have a small shiny app where the user clicks on a plot to draw a point. the x/y coordinates of the point are detected by plot_click and this

I have the shiny app below in which i create multi.js input with country names and flags. now vector country works but fos specific

I am trying to generate a shiny app that will first allow the user to (using the notion of dplyr verbs) select the variables they are interested

I want to create an application where inputs are matched with a score. here is my code: library

I have the dataframe below with the multi.js input with flags and countries. as you will see it is obvious that the countries do not

Hello and thanks for the help. i am trying to make an app that updates the selections of one pickerinput depending on the selections of another.

I want to upload a csv file from a \data folder inside the r project. so far i've been reading questions, but most answers seemed a bit too

I'm having trouble deploying wordpress in a subdomain where the main domain is running a different app (shiny server). for the purpose of the

My situation is the following that i import a csv dataset from imdb into my small shiny app. it contains in the respective columns the values for

I'm not able to generate the output table in shiny, and if i do it only through the function i can. when i try to generate from shiny, i get the

I am trying to find the way to have some hidden tabs and show them after clicking an actionbutton. i found this

I have at least 2 individual apps that i want to join in one single app. although i was using shinydashboard, i think that it could

I have the shiny app below in which i want to set the count of words displayed in the wordcloud. everytime the word is 1 no word is

I would like to add a logo to a leaflet map in a shiny app. the addlogo function of the leafem package allows

I ran into a bit of trouble in my app. i have a fluidrow, which contains 2 colums, and these columns again contain fluid rows. i have a

In the shiny app below i display a wordcloud and a slider that sets the number of words displayed. when this number =1 (input$max==1)

I am having a problem with eventreactive in shinyapp. i would like the user at the beginning to write user name and

This question is related to one i asked here:

I'm quite new in web app so apologize if my question is abit basic. i'm developing a web app with r shiny where the inputs are very large tables

I'm trying to alphabetically order the values of the pickerinput() shown below, but i get the numbers instead of characters even

Everytime a plotly object is created by r in shiny, (or just in r), the widget is recreated completely. for small data sets this is not a problem,

I am trying to make multiple dynamic plots (one does not know how many plots will output) based on one or more selected dropdown value(s)

I am trying to eliminate some points from a plotly graph by clicking on them, the code i have works perfectly, however when applying a filter

I have a problem with following app, my goal is to analyze data, from input dataset, which has a attributes name including parentheses. when i try

I have a dataset with categorical data (let's use arthritis from vcd package for exmaple purposes). i want to obtain a barplot where for

I am trying to get or change a attribute of a javascript element in shiny. so in the example below, i would like to obtain the iframe

I would like to play an audio file in shiny. more specifically, i would like to be able to rewind and forward the audio file.

In the code below, i am creating a dynamic sidebarmenu based on the selected tab. during the initial load of this application, the

I want to build an app in which the user can add as many as input slots as he wants. i could only build an app that let the user to add only one

I have a shiny dashboard, which i have deployed on my custom server (running centos). it is deployed by running the following command on the

I have little to no experience with r-shiny, but i thought that i could get it done with a simple example. used the book mastering shiny by

I am making a very simple shiny app, where i want to update tabpanel content with whatever is selected in sidebarmenu,

In the modularized shiny app below i want to create one map which is created and one plot below the map. the 2 visualizations are based on 2

In the shiny app below i use shiny modules to create a leaflet map. the issue is that the one of the 2 widgets that interact with the map is

I encounter this issue after running java -jar shinyproxy-1.0.2.jar and access my app: error status code: 500

I want to add onclick event to c3.js chart in shiny r. i`v read this

In my shinydashboardplus app, i use fluidrow/column to specify my layout. sometimes, i have one or several

I have a shinyapp and am trying to make the charts not suffer from rendering delay when i omit and activate the sidebar in

I am new with shiny app and i wanted to try something very simple but i'm having a hard time with it. i have a data that looks like

I have a simple shiny that presents descriptive statistics using reactive. however, i would like to use ifelse within tidyverse pipe

What's the best way to use update* from outside a shiny module without repeating the callmodule() call or arguments? minimal example:

I have the shiny app below in which let's say that we want to log in 2 different users. the "shiny" and the

The below mwe code works fine for summing data frame values, whereby the user selects which type of period to group by in the radio buttons in the

In the code below, i'm trying to adjust column widths independently (where the "period...", "col a", and "col b" can

Is there any way to click an element in a datatableoutput and then jump to a different tabpanel? i know using escape =

I am using shiny app to create leaflet map, but want to change the default position of zoom control from topleft to

My shiny app has a sliderinput, but want to replace values as character labels. how could i implement it? thanks for any