All Questions
Tagged with shiny-reactivity dt
29 questions
1
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0
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25
views
Why does an R Shiny Datatable lose changes between cell edits? [closed]
Given the following code:
library(shiny)
library(DT)
# Define UI
ui <- fluidPage(titlePanel("Test Page"),
DTOutput("strings"))
# Define server logic
server <...
- 11
1
vote
1
answer
48
views
Access the value of a DT selectInput inside a shiny module
I'm developping a Shiny App with various panels that I each separate into their own modules. One of them uses a DataTable with selectInput on various cells and whose value I need to access inside this ...
- 47
0
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0
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64
views
DataTable not diplaying correctly after being updated
This question is a continuation of my previous one about Re-binding the SelectInput of a DataTable after being updated.
So, I made quite some progress on this app and I have reached a result that ...
- 47
0
votes
1
answer
43
views
How do I keep the new table order for recalculation when using RowReorder extension?
I have a datatable with a calculated column. I would like the RShiny user to be able to change the order of rows in this datatable and have the column recalculate based on the new table order.
Using ...
- 35
1
vote
1
answer
51
views
Save changes made to a reactive dataframe via Shiny datatable in the DT package
Please help. I have a follow-up question on this post.
How to edit and save changes made on Shiny dataTable using DT package
What if the datatable dataset was a reactive dataframe. How would I be able ...
- 13
0
votes
2
answers
40
views
How to toggle a cell and remove it for further calculation within a shiny app
I am creating an app whom the goal is to compute rowmeans and coefficient variation (by rows). Each id got 3 measures. The user must be able to remove one or two values if the cv is too high (8).
I ...
- 89
0
votes
1
answer
67
views
How to render either a table or a graph selecting the option from a table
I have this minimum working example.
My goal is to select from the table an option of a table or a graph, and display it.
On the following approach, when you open the app, if you select table or graph ...
0
votes
1
answer
115
views
R shiny datatable with numericinput interactivity issue
I want to create a table in RShiny with numericInput so that user-supplied values can be used immediately. I followed the code HERE, but as the variables (car models) changes, it stops printing the ...
- 897
0
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1
answer
61
views
How to create a Shiny-app that selects from multiple dfs, edits one and downloads edited data
I try to create a shiny app in which one can choose from different dfs. Then one can edit values in the table. At last I would like to download the edited table.
Each step for itself , edit and ...
0
votes
1
answer
70
views
Subset the datatable by multiple user input filter separated by comma
I am trying to build a small shiny app but I don't know where I went wrong.
I am trying to get multiple user input via text area to filter my table output. Moreover, i want to control the columns to ...
1
vote
0
answers
165
views
shiny datatable editable for reactive data source
I just wanted to make the data (displayed in the shiny datatable) selected by user editable and eventually to save the user's updates to a file (e.g. such as an excel file), see the testing code below:...
- 46
2
votes
1
answer
69
views
track closest values in a table Shiny r
I am building a Shiny App that does random simulations of some stuff in three ways and saves the results in a table. I want the table to (1) fill the cell green for the closest value to the correct ...
- 1,057
0
votes
1
answer
102
views
Need help figuring out the logic error within a reactive dataframe
I have an app here where if the values in column 2 and 3 are different then the column 3 row gets highlighted using the DT's formatStyle function. However, at the moment I see all the mutated values ...
- 445
3
votes
1
answer
960
views
Error in make.unique: 'names' must be a character vector when switching tabsetPanel in shiny
In the example below I get following error many times printed when switching back and forth between radio buttons iris and About-
Warning: Error in make.unique: 'names' must be a character vector
[...
- 556
7
votes
0
answers
820
views
Wide datatables causing scrollx to scroll back when applying filters
I am able to render a datatable in my shiny app. However, whenever there is a wide table, the horizontal scroller gets back to it's initial position when you apply filters on the columns in the back. ...
- 556
1
vote
1
answer
190
views
how to save changes before adding new column R shiny reactive datatable
after editing existing cells, how do i make the cell values stay edited and not reset to original when i add a new column? tried using reactiveValues without success. below is the reproducible code,.
...
- 37
1
vote
1
answer
363
views
how to display dynamic tabPanels with DT inside multiple nested modules
I really need help on the following code, I use 2 nested modules to display sampledata in multiple tabPanels (inside tabsetPanel) by certain columns, but the table is not display, I cant found any ...
- 125
2
votes
1
answer
2k
views
Using R shiny with Leaflet and DataTable with reactive object
I have made a very simplified version of a problem I had asked two days ago in another post (Getting Leaflet to work with Datatable selection in R shiny)
and I am much closer to a solution. There is ...
- 35
1
vote
1
answer
191
views
How to reset an output that depends on calculations over inputs?
I really had trouble finding a title for this question, hope it helps.
I have a fairly complex app for which I'm having trouble resetting an output after an actionButton ("Confirm" on this ...
- 2,082
1
vote
1
answer
3k
views
shiny DT::renderdatatable
suppose the columns of a data table are: unique-ID, name, salary, position.
I display the table in a shiny application using DT::renderdatatable (DT::dataTableOutput).
I would like to click on a row ...
- 11
0
votes
0
answers
378
views
if else statement in shiny not working properly
Below is a script I've been working on. You will notice that the reactive statement, table_data(), is where the heavy lifting takes place. When you run the app, you will see all three filters are ...
user9302275
2
votes
0
answers
232
views
DT output takes me to 1st page when i edit a reactive DT
I have a toy version of my code below. I have one of the columns (column 7) in my shiny DT output as editable. When i edit the a cell of the column it takes me back to the first row of of the column. ...
- 21
1
vote
1
answer
1k
views
Calculate mean and median by date range in Shiny
Want to calculate mean and median of the numeric variables grouped by a selected date range for the datatable only, not the leaflet data. The leaflet map works (just need to zoom out to see the fake ...
0
votes
0
answers
209
views
How I add extra table under the third mainpanel to shiny app
I have put together a shiny app. Now, I need to add another panel to that but by simply adding extra mainplanel to the code, my other two panels being deactivated
This is my app
navbarPageWithText &...
- 95
1
vote
1
answer
209
views
Which events can I observe with Shiny observeEvent?
observeEvent requires eventExpr. This is demonstrated simply in the examples with input$button etc.
However, with for editable datatables (DT) there is a different event call:
input$<DT id>...
- 484
3
votes
2
answers
2k
views
R Shiny: Editing DT with locked columns
I am trying to have a DT that is editable by the user but I only want certain columns to be editable. Since this isn't a feature yet in DT, I am trying to hack it together by having the table refresh ...
- 2,044
1
vote
1
answer
2k
views
R Shiny - Pre-selecting the row and page of a datatable inside a modalDialog
The app below contains a selectInput of dataset IDs and a button View details which displays a modalDialog when clicked. The modal dialog has a datatable that contains some information about the ...
- 1,950
2
votes
1
answer
818
views
Placeholder in DT::dataTable search bar
I need some help to something I thought will be easy.
I have a DT::dataTable and I like to just put a placeholder in the search bar but I can't see where the option for this is.
- 105
2
votes
1
answer
1k
views
Shiny DT::datatable - Change table content when lines are selected
In a datatable some value is supposed to change depending on whether the respective row is selected or not. What makes me a headache is the following: When the data is updated the table is re-written, ...
- 125