Most voted "shiny" questions
Shiny is an R package that helps you design web applications using only R. More information can be found here: http://shiny.rstudio.com/.
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13
votes1
answer323
viewsHow to convert a Shiny app, consisting of multiple files, into a playable example that can be shared in a question?
Problem Here at Stackoverflow in English there is guides and also questions whose theme are the reproducible examples. However there is nothing equivalent to the Shiny what can make life difficult…
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9
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answer183
viewsWhat is a Shiny app?
It is common to have to expose a data analysis in a more user-friendly format. In these cases it is also common to hear as a suggestion that this analysis be transformed into a shiny application.…
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7
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answers190
viewsEdit the style of the external div tag of a box in Shiny
I’m developing an app on R’s Shiny, and I’m having trouble editing the tag out of a box. When I turn the remote: box( title = 'Teste', width = 4 ) the corresponding HTML it creates is: <div…
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3
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answer83
viewsChange output in Shiny only when I change value in numericInput()
I have this table in my Shiny app. | a | 2 | | b | 3 | | c | 5 | Has a box to choose a line (from 1 to 3), and from this it prints the value for that line. There is also another box so I can change…
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3
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answer116
viewsSave changes from a loaded app to shinyapps.io
I’m developing an app in Shiny that I’m going to upar at shinyapps.io. It consists of an already loaded table that the user can select some row, and then a report is generated based on the selected…
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3
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answers287
viewsOne of my Shiny applications is not running on my server
I recently installed Shiny on a server I have. This can be checked by clicking at this link. I would like to put on this server several applications that I have done and still intend to do, as if it…
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3
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answer223
viewsWidget in Shiny to take a file path
In an application here from work I use the widget below for the user to load a database and it is 'criticized' by another script. fileInput("file1", "Escolha o arquivo", multiple = FALSE, accept =…
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3
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answer119
viewsShiny error when generating HTML
I am trying to "create an odds calculator for the Normal and Binomial distributions, however this giving some error when generating HTML..Follow the codes below. PS: it would be possible to exchange…
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3
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answer495
viewsCreate an executable in R through the Shiny package
I wonder if it is possible to create an executable that goes directly to the panel generated by Shiny code without having to open the R and execute the codes library(shiny) # Define UI for…
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3
votes1
answer69
viewsHow to put currency prefix (R$) in the status bar of the shinyWidgets R package?
Is there any way to show the numbers as currency (R$), including thousands and cents separator, in the progress bars of Shiny’s shinyWidgets package? I’m trying to run some code, but they all…
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2
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answer70
viewsInclude javascript in Shiny
I would like to include the event "Restoring column visibility (https://datatables.net/extensions/buttons/examples/column_visibility/restore.html), the code would be the one below:…
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2
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answer158
viewsHow to Insert selectInput across the datatable
I’m using the Shiny. How can I display a selectInput, with options from 1 to 5, in all cells of a DT::datatable? All I’m getting is the tag div, through the vlr[i] within the for. library(shiny)…
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2
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answer65
viewsGraph is not exiting in output
library(shiny) ui <- fluidPage( titlePanel("Funcao Poder"), sidebarLayout( sidebarPanel( sliderInput("n1", "Tamanho da amostra:", min = 1, max = 50, value = 30), sliderInput("n2", "Tamanho da…
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2
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answer118
viewsHow to use external functions within the server using Shiny?
I am creating a graphical interface for an algorithm I developed in R language. The algorithm has several scripts with functions that talk to each other, and after started, it takes hours to…
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2
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answer222
viewsDynamic table using database and Shiny
I’m creating a dynamic table using Shiny, but I have some questions: 1° how to integrate the column name of my database into a selectInput() so that only selected variables appear in the table and…
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2
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answer54
viewsLocking the limit of one widget (Shiny) as a function of another
I tried to stop the limit of one widget based on the change of another. Suppose these two cases: First case: The sum of two buttons cannot exceed the value 100. For example, when I put the value 60…
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2
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answer81
viewsHow to Store Data in Shiny Tables
I created a very simple Shiny that was simply for a "stock control". It has a table that starts with its products (columns) at zero value. The goal was every time you click the action button 1 it…
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1
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answers178
viewsProblem in shinyapp publication
The app(ui+server) runs normally but when publishing to http://www.shinyapps.io/ is giving the image error how to proceed to resolve. If necessary I can post the codes.…
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1
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answers20
viewsHow to search APP Rstudio Shiny
I’m entering the world of Rstudio Shiny now. One question that came to me is: how do I search for the available/created Shiny Apps? Are all the Apps created available? Is there any way that, once…
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1
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answer106
viewsHow can I build a table result using "eventReactive" in Shiny
How can I create a "table result" for each relationship I chose in selectInput "Col" and "Row"? Dinamicaly, for every time you press the 'ok' button'. library(shiny) shinyUI(fluidPage( h4("Give a…
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1
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answer324
viewsHow to plot data from a variable in Shiny UI
I’m starting my R/Shiny apprenticeship. I’m having trouble plotting a chart on the UI. The content of the graph comes from the function "stock(tiker,Rx), variable "price", follows the function:…
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votes3
answers63
viewsDate printed in wrong format
I am developing an app in Shiny and I have a date printing problem, both in the browser and in the . csv file generated. She gets that shape: The code for obtaining the date is baseEstatistica[6,2]…
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answers101
viewsDynamic Valuebox R
good morning! I’m doing my first R Dashboard using the flexdashboard package on R markdown and Shiny. When selecting the filter in (Selectinput) my (Value Box) is static, as I do to make it dynamic…
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1
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answers95
viewsR Shiny - publication problems
Good afternoon, I’m having trouble publishing a fuzzy logic system with R Shiny. The system runs normally in R environment, but when publishing the system returns me the error message: The…
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1
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answers42
viewsHow to load objects in the UI in Shiny
Hello, good morning, good morning! I have no knowledge of the shiny, and I’m having trouble executing some actions. I’d like him to execute one reactive by means of the selectInput, radioButtons,…
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answers36
viewsProblems in UI interaction with conditioning
Hello, good morning! I’m having trouble calculating soil variables. the code keeps saying: argument is of length zero. The control has to work as follows: 1 select the crop, in the tab "Culture"…
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1
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answer581
viewsHow to add lines in a data.frame and or table in shinyserver?
Hello, good night, good night! I’m trying to sort some things out by shiny, but I ran into a problem, I need to create a data.frame, where I am able to add lines of information, without being doing…
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1
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answer41
viewsEnd of run message in a Shiny app
I’m developing a Shiny app, where I have several actionButtons which, when clicked, execute other codes through the function source or render according to the following example: library(shiny)…
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1
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answer31
viewsBase Reading Step Bar
I am developing an app in Shiny that the user climbs a spreadsheet and is calculated some statistics from that base. I would like the moment the database is being read, not displayed in the upload,…
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1
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answer75
viewsHow to put an image (logo) in the Shiny dashboardHeader()?
I’m making a website in Shiny and would like to put an image of the company logo on dashboardHeader(). Example: The logo would be under "My Website", between the dashboardSidebar() and the…
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0
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answer328
viewsWord cloud Shiny R
I am wanting to make a word cloud using data from a postgresql table. I used an example as a base that I found on the Shiny R site, but I’m not able to do what I want. I cannot change which variable…
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answer21
viewsDomain. com Rstudio Website
all right? Could you give me a hand? I want to guarantee a domain . com to build my site with Shiny/markdown. But I am still studying Shiny/html/css so I will still produce my site. Nesa situation…
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answer436
viewsR, Shiny and maps: How to render a map according to the choice in the dropdown_menu?
I am working on a Shiny app and would like the map to be rendered according to the user’s choice in a dropdown. I have three maps (M1, m2 and m3), what I need to put on the ui and server? Follows a…
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0
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answers114
viewsOpen a Flexdashboard in another browser tab with "Runtime:Shiny" through an Actionbutton in a Shiny app
I have a Shiny application of the following structure, where the following code is named app.R library(shiny) ui <- fluidPage( theme = shinytheme("darkly"), navbarPage(title = "Teste ",…
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answer38
viewsHow to enter the suffix of the name of an output in the input function$.... _rows_selected?
I am building a function in R Shiny and in this function I want to take the suffix of the name of a output$sufixo and incorporate it into a function of the DT input$sufix_rows_selected. Does anyone…
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answers33
viewsMap rendering problem using Leaflet and Flexdashboard packages
Expensive, I’m not able to render a small map in a Dashboard I’m building using Flexdashboard. I am receiving the following message: Error: Method not applicable for 'Maxtar' applied to a class…
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answer22
viewsHow to use graphs built by the ggplot function on a Shiny DASHBOARD
I have some graphics ready generated by the ggplot package and am trying to build a Rdashboard Shiny and take advantage of these visual products. However, it is being much more complicated than I…
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answer202
viewsThe graph doesn’t appear when I put Shiny to run
I have this code for a Shiny app. Apparently there is no error in the code and when I select only the graph I can plot, but when I put to run the graph does not appear . cat(getwd()) library(shiny)…
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answers13
viewsPost application on shinyapps.io
I made an application on Shiny and I want to post it on shinyapps.io. However, I’m not getting it, it’s giving several errors every time I try to adjust. library(Shiny) library(plotrix)…