March 30, 2025
1. App Overview 🚗
This presentation introduces an interactive Shiny app that explores relationships between car weight and fuel efficiency using the mtcars dataset.
2. How To Use
| Step | Action | Result |
|---|---|---|
| 1 | Select cylinder count from dropdown | Filters dataset by engine type |
| 2 | Adjust weight range using sliders | Updates plot to show selected range |
| 3 | Toggle trend line checkbox | Displays/hides regression line |
3. Technical Implementation 🛠️
| Package | Version |
|---|---|
| shiny | 1.10.0 |
| ggplot2 | 3.5.1 |
| dplyr | 1.1.4 |
4. Access The App 🔗
🔴 Live Application:
https://wishyouagoodfuture.shinyapps.io/CarMPGAnalyzer_EN/📦 Source Code (GitHub):
https://github.com/yourusername/CarMPGAnalyzer
5. Documentation Features 📋
✔️ Built-in interactive tutorial
✔️ Tooltip explanations for all controls
✔️ Example dataset included
✔️ Mobile-responsive design