Your first webR-powered Quarto Document using the {quarto-webr} Extension and RStudio

Video Timeline

00:00 - Video Introduction
00:05 - Introduction to the Topic
00:15 - Launch RStudio
00:17 - Create a New Quarto Project Named `demo-webr` Using RStudio's Project Interface
00:45 - Exploring the Fresh RStudio Instance Initialized with the Quarto Project
01:03 - Understanding the Unique Feature: Per-Project Installation of Quarto Extensions
01:25 - Step-by-Step Guide: Installing the `quarto-webr` Extension via Terminal with the Command: `quarto add coatless/quarto-webr`
01:53 - Verification: Spotting the `webr` Filter Installed Within the `_extensions` Folder
02:09 - Transition to the "Source" View for the Quarto Document
02:29 - Incorporating the `webr` Filter into the Document's YAML Configuration
02:44 - Enhancing Interactivity: Substituting `{r}` with `{webr-r}` in the Code Cell Options
03:00 - Rendering the Document by Clicking the "Render" Button
03:07 - Demonstrating Interactivity: Reviewing the Rendered Quarto Document with an Interactive Code Cell and Executing Code Using "Run Code"
03:21 - Dynamic Outputs: Showing Real-Time Switching Between Text and Graphical Outputs Without Re-rendering by Modifying the Code Inside the Cell to `plot(pressure)` and Clicking "Run Code" Again
03:36 - Closing Remarks: Until Next Time!
03:46 - Conclusion and End Credits

---

Summary:

1. Opened RStudio from our local installation.

2. Navigated to and clicked on "Project: (None)" located in the upper right corner of the RStudio interface.

3. From the dropdown menu, selected "Create a New Project."

4. Opted for the "New Directory" option and chose the "Quarto Project."

5. Named the directory "demo-webr" and clicked "Create Project."

6. RStudio re-launched with the "demo-webr" project loaded.

7. Installed the quarto-webr extension by accessing the "Terminal" tab, located in the lower left-hand side next to the console, and typed the following command:

```
quarto add coatless/quarto-webr
```

8. Added the webr filter to the document's YAML header.

9. Modified the code chunk from `{r}` to `{webr-r}` and proceeded to click "Render."

---

Links:

quarto-webr
Extension Documentation: http://quarto-webr.thecoatlessprofess...
Extension project Source: https://github.com/coatless/quarto-webr

webR
Project Documentation: https://docs.r-wasm.org/webr/latest/
Project Source: https://github.com/r-wasm/webr

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