📦 How to Use
1. Upload Your Dataset
- Click "Choose a CSV file"
- Ensure:
- Last column = Target
- Other columns = Numeric features
2. Explore Your Data
- Overview of rows, features, and classes
- Missing values automatically handled
3. Understand PCA
- PCA reduces features to 2 or 3 principal components
- Visualizes in 3D with variance contribution graphs
4. Interact with Sliders
- Adjust feature values in sidebar
- See how the interactive point moves in PCA space
5. Analyze Features
- Heatmap shows feature importance per component
- Bar chart shows overall variance explained