Week 13: Introduction to Neural Networks for ML Practitioners
Overview
This week bridges traditional machine learning approaches with neural networks, focusing on parallels between familiar sklearn-style workflows and modern deep learning frameworks like PyTorch and TensorFlow.
Learning Objectives
- Understand neural network fundamentals
- Compare ML and DL workflows
- Implement basic neural networks
- Transition from sklearn to deep learning
- Master basic framework operations
1. Neural Network Fundamentals
- Basic Components
- Neurons and layers
- Activation functions
- Weights and biases
- Comparison with Traditional ML
- Linear models connection
- Feature transformation
- Model complexity
- Parameter learning
2. Framework Introduction
- TensorFlow
- Keras interface
- Model building
- Training API
- Data pipelines
3. From Sklearn to Deep Learning
- Workflow Comparison
- Model instantiation
- Fitting process
- Prediction methods
- Parameter tuning
- Framework Differences
- Model definition
- Training approach
- Data handling
- Customization options
4. Practical Considerations
- Model Construction
- Layer selection
- Architecture design
- Hyperparameter choice
- Training Process
- Loss functions
- Optimizers
- Batch processing
- Validation approaches
Key Takeaways
- Neural networks extend traditional ML concepts
- Modern frameworks simplify implementation
- Basic principles remain consistent
- Framework choice affects workflow
Practical Exercises
- Convert sklearn model to TensorFlow