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Sep 16 • 8 tweets • 8 min read

Today, we'll discover how you can use the power of #rstats to create an interactive #shinyapp ✨

@ViktErik

💡 What is a ShinyApp?

Shiny is a framework that allows you to create web applications - ShinyApps ☺️ You can use them for multiple purposes - to visualize data 🎨 (for instance the Scottish Household Survey by @ViktErik, bit.ly/3TqZevY, ...

@ViktErik

@ViktErik ... or the #SDG by @Shel_Kariuki, bit.ly/sdg-shiny), ...

@ViktErik

@ViktErik @Shel_Kariuki ... build interactive appendices (bit.ly/shiny-appendix) or search engines (bit.ly/shiny-se), and so much more ✨

If you want more, have a look at the #shiny gallery @rstudio: shiny.rstudio.com/gallery/ ⭐

@ViktErik

@ViktErik @Shel_Kariuki @rstudio 💡 What does a ShinyApp need?

A ShinyApp consists of two central components. The UI and the server -- or, as I like to think about them, the body 👤 and the brain 🧠

@ViktErik

@ViktErik @Shel_Kariuki @rstudio 💡 What is the UI?

The user interface (or short UI) is like the body of your app 👤 It allows you to define how it looks and where the components (such as text, visualizations, or tables) are placed. It defines the outer appearance of your app. The code works as follows:

@ViktErik

@ViktErik @Shel_Kariuki @rstudio 💡 What is the server?

The server is the brain - here's where all the computing happens 🧠 You can dump (more or less) all your typical functions (such as plotting something with 📦 {ggplot2}) in here 🤗
It can look like this:

@ViktErik

@ViktErik @Shel_Kariuki @rstudio But now it's your turn - are there any plans on turning a project into a #ShinyApp? Or did you already do it? Tell us about it! ✨

https://twitter.com/cosima_meyer/status/1570628035724054528

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The curation week is almost over and I would like to thank everyone for joining the discussions this week! It’s been a blast 🥳
If you enjoyed this week, feel free to reach out on Twitter (@cosima_meyer) or GitHub (github.com/cosimameyer/) ✨

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@cosima_meyer I feel very honored that I had the chance to talk with you about the things I enjoy doing and I cannot wait to learn more from the upcoming curators - the lineup looks amazing! 💜

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@cosima_meyer If you missed a Twitter thread this week, head over to @pilizalde's amazing thread where she collected all of them (I love the GitHub emoji 😺)

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https://twitter.com/pilizalde/status/1570741209806798854

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📝 If you also keep thinking about brains and bodies, here is more of it to summarize the key points 🤓 #rstats

@Rami_Krispin

🗂 And as announced at #rstudioconf2022, you can now also build ShinyApps in #python! @Rami_Krispin set up a great repository that shows you how to set up your ShinyApp in Python using #shinyelive: github.com/RamiKrispin/sh… 💻

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@Rami_Krispin 📖 If you're up for more input on ShinyApps, here's the bible of Shiny: mastering-shiny.org

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💡 What is reactivity and what does it have to do with a carrier pigeon? 🐦

To better understand how a #ShinyApp works, it's good to understand what's behind reactivity.

@StatGarrett

To describe it, I love the image of a carrier pigeon 🐦 (I picked up this idea when reading a post by @StatGarrett - so all credits go to him and all errors are mine ✨)

@StatGarrett

@StatGarrett What reactivity does is "a magic trick [that] creates the illusion that one thing is happening, when in fact something else is going on" (shiny.rstudio.com/articles/under…).

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👩🏼‍💻 How do you set up your own #ShinyApp?

It's easy in #rstats! Start a new #Rproject and select "Shiny Application". It will create a project with an "app.R" file for you ✨

Once it's open, you can replace the code that is already in the "app.R" file with this code snippet below👇 It does all the magic and shows how you can build a simple #ShinyApp 🔮

(it's here for you to try: bit.ly/shinyapp-test)

What the ShinyApp does:

You have checkboxes on the left side that let you choose countries (it's the ISO3 abbreviation, so "RWA" stands for Rwanda) and, depending on what you selected, your #ShinyApp will show a (non-realistic) population size for each country in a new plot.

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While I touched the surface of what you can do with #Git today, it’s an extremely powerful tool that has so much more to offer 🤩

Here are some more resources, if you want to learn more about it:

📖 happygitwithr.com

📖 atlassian.com/git (my go-to resource)