mastering-shiny | Mastering Shiny : a book | Data Visualization library

by hadley R Version: old-repo License: Non-SPDX

X-Ray Key Features Code Snippets Community Discussions(5)Vulnerabilities Install Support

kandi X-RAY | mastering-shiny Summary

mastering-shiny is a R library typically used in Analytics, Data Visualization applications. mastering-shiny has no bugs, it has no vulnerabilities and it has medium support. However mastering-shiny has a Non-SPDX License. You can download it from GitHub.

This is the work-in-progress repo for the book Mastering Shiny by Hadley Wickham. It is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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Support

mastering-shiny has a medium active ecosystem.

It has 1156 star(s) with 537 fork(s). There are 28 watchers for this library.

It had no major release in the last 6 months.

There are 48 open issues and 177 have been closed. On average issues are closed in 20 days. There are 82 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of mastering-shiny is old-repo

Quality

mastering-shiny has no bugs reported.

Security

mastering-shiny has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

mastering-shiny has a Non-SPDX License.

Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

Reuse

mastering-shiny releases are not available. You will need to build from source code and install.

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mastering-shiny Key Features

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mastering-shiny Examples and Code Snippets

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Community Discussions

Trending Discussions on mastering-shiny

generate multiple tables from multiple selections of scatterplot in shiny R

R Shiny Produces Empty Outputs

Why does geom_histogram not use the mapping given to the ggplot function?

Problems with shiny::updateDateRangeInput()

What is meaning of the syntax %||%?

QUESTION

generate multiple tables from multiple selections of scatterplot in shiny R

Asked 2021-Jun-08 at 02:12

I have a scatterplot in a shiny dashbaord and would like to generate two different tables by selecting/highlighting different areas of the scatterplot. I am currently able to generate a single table by selecting/highlighting an area, however am not sure how to make this work for two tables/selections (or if that is even possible).

Any help or advice would be greatly appreciated. Thankyou

Sample code to generate a shiny dashboard with a scatterplot and highlight/generate a single table is provided below (and was taken from here)

Some more detail : Ideally this process would be achieved by manually selecting/dragging an area over some points, generating the first table and then manually selecting/dragging an area over a different subset of points and generating the second table. After this, if another area is selected, it resets the first selection and table and then the next selection would reset the second selection and table.

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ANSWER

Answered 2021-Jun-08 at 02:12

Maybe this might be helpful. You can track which table (1 or 2) in reactiveValues as well as the data for each table. Let me know if this is what you had in mind. If you wanted to maintain the previous selection in the plot, I would think you may need to manually place a rectangle. A github issue allowing for multiple selections of brushed points is an open issue (enhancement). Alternatively, you could tag points for each table based on this approach.

Source https://stackoverflow.com/questions/67870407

QUESTION

R Shiny Produces Empty Outputs

Asked 2021-Mar-19 at 17:15

I am following the examples from this website here on R shiny: https://mastering-shiny.org/action-graphics.html

I copied and pasted the following code from the website:

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ANSWER

Answered 2021-Mar-19 at 17:15

We need to execute the ui, server in shinyApp

Source https://stackoverflow.com/questions/66712637

QUESTION

Why does geom_histogram not use the mapping given to the ggplot function?

Asked 2021-Mar-09 at 10:28

I am currently creating a Shiny app which should build plots according to user input. The user can choose between histograms, density and scatter plots, which variables to depict and what titles/labels to display. Since this is Shiny, I tried to follow the instructions given in https://mastering-shiny.org/action-tidy.html which explain how to use tidy evaluation in this context.

I create a basic plot object with ggplot(..., aes(rlang::.data[[]])) and add the geoms later on. Unfortunately, I then encounter the following error message on trying to display the plot:

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ANSWER

Answered 2021-Mar-09 at 10:28

You appear to be a victim of tidyverse's non-standard evaluation (NSE).

Roughly speaking, tidyverse functions expect tibble coilumns as arguments. You're passing characters from the input list.

Using, for example,

Source https://stackoverflow.com/questions/66543585

QUESTION

Problems with shiny::updateDateRangeInput()

Asked 2020-Jun-04 at 02:46

I have a set of data with different date ranges for different locations. I would like my date range widget to update the minimum and maximum dates after selecting a location with the select box widget.

I have tried the steps mentioned in https://mastering-shiny.org/action-dynamic.html#hierarchical-select and have modified it for the date range widget but it does not seem to be working. I have included a reprex below where the start date doesn't seem to update after selecting locations B or C but not A.

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ANSWER

Answered 2020-Jun-03 at 13:25

The problem seems to be with setting min/start or max/end at the same time. You have to ensure that start and end both lie within the range [min and max] at all times. The easiest way to do this was to split the update into stages:

Set min and max to the earlest and latest dates in the whole dataset
Set start and min to earliest and latest dates at the current location
Set min and max to the earliest and latest dates at the current location

I combined 1 and 2 in a single call to updateDateRangeInput.

It's messy, but it seems to work.

I changed the structure of your reactives slightly whilst investigating whether there was priority issue with their updates. Here's the whole server function.

Source https://stackoverflow.com/questions/62171194

QUESTION

What is meaning of the syntax %||%?

Asked 2020-Feb-26 at 18:38

I'm trying to create a dynamic UI, so i used this code

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ANSWER

Answered 2020-Feb-26 at 16:25

The %||% comes from rlang. You can find it on the ?"op-null-default" help page. From the documentation

This infix function makes it easy to replace NULLs with a default value. It's inspired by the way that Ruby's or operation (||) works.

Basically it returns the second value if the first is NULL.

Source https://stackoverflow.com/questions/60418258

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install mastering-shiny

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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