KNN Car Transmission Predictor
2026-04-20
The Problem
- Predicts whether a car has automatic or manual transmission
- Uses car characteristics as input
- Demonstrates a simple machine learning classification task
How the App Works
- User enters car data
- User selects the value of k
- The app applies the KNN algorithm
- The app displays:
- model error rate
- predicted transmission type
Main Features
- Interactive numeric inputs
- Slider for choosing k
- Reactive outputs
- Easy-to-use interface
- Built with Shiny
Why This App Matters
- Demonstrates Shiny reactivity
- Introduces machine learning in a simple way
- Helps beginners understand prediction apps
- Combines user input and real-time output