https://github.com/ijlyttle/reactivity-demo-dash

Demonstration of Plotly Dash App
https://github.com/ijlyttle/reactivity-demo-dash

Last synced: about 1 month ago
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Demonstration of Plotly Dash App

• Host: GitHub
• URL: https://github.com/ijlyttle/reactivity-demo-dash
• Owner: ijlyttle
• License: mit
• Created: 2021-12-22T00:01:36.000Z (over 4 years ago)
• Default Branch: main
• Last Pushed: 2022-04-11T19:54:01.000Z (about 4 years ago)
• Last Synced: 2025-02-15T11:48:12.357Z (over 1 year ago)
• Language: Python
• Size: 84 KB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.md

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README

          

# reactivity-demo-dash

The goal of this repository is to show how to implement a reactive data-science app using Dash.

This is part of [*Data-Science Reactivity: Three Ways*](https://ijlyttle.github.io/reactivity-three-ways-book/), an effort to show how to make the same "app", using:

-   R: [Shiny](https://shiny.rstudio.com/)

-   Python: [Dash](https://dash.plotly.com/)

-   JavaScript: [Observable](https://observablehq.com/@observablehq/five-minute-introduction)

## Aggregate: local

There's a [deployed version](https://aggregate-local.herokuapp.com) of this app.

![Reactivity diagram](figs/dash-aggregate-local.svg)

![Legend](figs/dash-legend.svg)

## RStudio Cloud

If you are running this from Ian's RStudio Cloud Project, there will be a package available called `rscloud.dash.py`.

It has a single function, `run_dash_app()`, which helps us launch Dash from RStudio Cloud.

From the root of the project, at the R console:

```r

library("rscloud.dash.py")

run_dash_app("app-aggregate-local.py", venv = "venv")

```

It will launch the browser, then the app. 

The browser will say "Connection Refused"; don't worry, wait a few seconds then reload.

You can stop the Dash app from the R console.