📊 Classification
- Predicts discrete categories
- Example: Spam vs Not Spam
- Algorithms: KNN, Decision Trees, SVM
- Output: Class label
📈 Regression
- Predicts continuous values
- Example: House price prediction
- Algorithms: Linear, Polynomial
- Output: Numerical value
The Supervised Learning Process:
- Collect labeled data: Gather input-output pairs
- Split data: Training set (80%) and test set (20%)
- Choose algorithm: Select appropriate model
- Train model: Learn patterns from training data
- Evaluate: Test on unseen data
- Predict: Use model on new inputs
🏥 Medical Diagnosis
Classify diseases from symptoms
📧 Email Filtering
Detect spam messages
💰 Price Prediction
Estimate real estate values