flexdashboard | Easy interactive dashboards for R | Data Visualization library
kandi X-RAY | flexdashboard Summary
kandi X-RAY | flexdashboard Summary
The goal of flexdashboard is to make it easy to create interactive dashboards for R, using R Markdown. Learn more about flexdashboard:
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Top functions reviewed by kandi - BETA
- Syml constructor .
- Base plugin class .
- Sets up the list of items
- Initialize the plugin
- A layout page layout .
- layout for storyboard .
- Layout for chart components
- Apply a layout element of the given page
- Layout for a tabset .
- Layout the given page
flexdashboard Key Features
flexdashboard Examples and Code Snippets
Community Discussions
Trending Discussions on flexdashboard
QUESTION
I am trying to conditionally swith shiny output render types in a flexdashboard tab using conditionalPanel
as outlined in the Shiny documentation here, by using a reactive output object and making sure it is returned to the browser by using outputOptions(output, [myOutputName], suspendWhenHidden = FALSE)
. This approach has been suggested in several SO anwsers (e.g. here and here) for full-fledged Shiny apps but I could not find an example for their use in a Shiny document (R markdown). Essentially, I want to test if a selected data set has a certain column (i.e. the column is not null
), and make the UI conditionally render the plot based upon the presence of this column. In the toy data below, the list has a known number of items, and it is known which ones have the missing column. When running the document locally, the desired behavior is there (i.e. the set will switch based upon the selection and the conditionalPanel appears to show what I would like it to show), but still the inspector shows the errors that I listed below. Publishing on rstudio connect leads to the interface just not being rendered (because of the same errors, I presume). Are these errors (Error evaluating expression: ouput.evalseplen == true
and Uncaught ReferenceError: ouput is not defined
) in the inspector a known shiny bug? Or is something deeper going on?
ANSWER
Answered 2022-Mar-28 at 10:21I think I found a solution, now I do not use the select input to show/hide the conditional panels.
QUESTION
I would like to have different labels for gauges created using the flexdashboard package depending on the selection that is made. However, when a new option is chosen the first label that is loaded remains but the input updates. Is there some way to clear the cache so that the labels will change?
Below is a reprex of the problem in Shiny:
...ANSWER
Answered 2022-Feb-15 at 10:05Reactive objects need HTML tags of class shiny-bound-input
. The flexdashboard gauge, however, usually creates a svg which is out of the scope of shiny's reactive context.
This is fixed with a newer version (see this issue on 20th Sep 2021). Try to update using remotes::install_github("rstudio/flexdashboard")
.
QUESTION
ANSWER
Answered 2022-Feb-14 at 21:25Let's apply some simple CSS styles to fix the problem
QUESTION
First, you will highlight the function you want to send to JS
with sendCustomMessage
:
ANSWER
Answered 2022-Jan-28 at 04:25Try to encode the html on the R side with URLencode
and decode it on the Javascript side with decodeURI
.
QUESTION
Im trying to add a simple selectInput()
to my flexdashboard but I get:
ANSWER
Answered 2021-Dec-21 at 12:54Not sure what's the reason for this issue. Probably related to ongoing efforts to support more recent versions of Bootstrap. Anyway you could make you code work by specifying the bootstrap version you want to use in the YAML like so (also see this vignette):
Note: I also had to specify the bootswatch theme to get the default flexdashboard look.
QUESTION
I have a google form/survey that saves the responses into a google sheet.
Data from the google sheet is going into my flexdashboard/shiny app but if a response is saved while someone is using the app - the only way to see the response is by actually clicking refresh in the browser.
I would like to add a button that can rerun the application without the user clicking refresh? Is this possible?
Here is some code I have written - I have some code that I put together but it doesn't seem to work.
...ANSWER
Answered 2021-Dec-07 at 19:21We can use invalidateLater(10000)
to fetch the data every 10 seconds if the reset button is not preferred.
app:
QUESTION
I was wondering if anyone had any insights around displaying a Seaborn Python plot in R Markdown with {reticulate}.
For reproducibility, here's an example from this article: https://towardsdatascience.com/python-seaborn-plots-in-r-using-reticulate-fb59cebf61a7
Setup:
...ANSWER
Answered 2021-Dec-04 at 08:36Avoid showing the plot, save the seaborn plot to a file and then use Markdown to view it. A bit ugly but it works.
QUESTION
ANSWER
Answered 2021-Nov-30 at 00:27As has been commented, There seems to be an issue with flexdashboard in R 4.1. It does work (on MacOS) with R 3.6. I'd suggest filing an issue on their GitHub repo.
Besides downgrading R, you could also "automatically" zoom in at the beginning and use flyTo()
instead of setView()
.
Both solutions are rather hot fixes but I am afraid that the core problem must be fixed by flexdashboard itself.
QUESTION
I'm trying to build a special chart based on ggplot to be exposed with R Markdown in a flexdashboard. The plot should be right sized and positioned over a background picture. I'm struggling to find the best way to do so as the fitting of the ggplot keep moving over the background.
Any idea to fit the background with the ggplot?
...ANSWER
Answered 2021-Nov-21 at 17:29I think it might be easier to align them if you're working in a raster space, ie with a rendered output of the chart with fixed dimensions. I'm using manually-adjusted magic numbers for the output and composition to make them align.
e.g.
QUESTION
I have a flexdashboard shiny app I am working on and trying to create a reactive function that imports different datasets (through read.csv()) based on the user input.
I have 2 empty csv files in a folder called "Test". One is called Oct 2021 and the other is called Nov 2021.
Rather than loading in all the csv files in - I would like the user to choose the name of the file and have it load in.
Here is my code
...ANSWER
Answered 2021-Nov-20 at 04:41input$input_type
is the name of the file, but to specify the complete path we need to paste some strings together. read.csv
can be used like this:
read.csv(paste0('~/Test/', input$input_type, '.csv'))
Sample Shiny App:
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