Machine Learning Foundations for Software Engineers: A Comprehensive Theory-First Approach [draft]

Evaluating Classification Models: Metrics, Techniques & Best Practices


[This is a draft plan, titles can be changed while actually making the course]



Module 1: Introduction to Machine Learning for Engineers



Module 1 Intro (Video)

  • Overview of what “Machine Learning for Engineers” entails
  • Why this theory-first approach is crucial
  • Summary of key topics covered in Module 1



Section 1.1: Defining ML from an Engineer’s Perspective



Section 1.1 Intro (Video)

  • Rationale: Why approach ML differently as an engineer
  • High-level summary of topics in Section 1.1



Lesson Video 1.1.1 – ML as a Problem-Solving Toolkit

  • ML vs. traditional programming approaches
  • When to favor ML solutions



Lesson Video 1.1.2 – Integration Points with Conventional Software

  • How ML components fit into existing systems
  • Considerations for production deployments



Lesson Video 1.1.3 – Key Differences in Approach & Methodology

  • Data-centric vs. code-centric mindsets
  • How data workflow and iterative experimentation differ from standard software cycles



Section 1.2: ML Paradigms & Core Concepts



Section 1.2 Intro (Video)

  • Brief overview of supervised, unsupervised, and reinforcement learning
  • Why these paradigms matter for engineers



Lesson Video 1.2.1 – Supervised vs. Unsupervised Learning

  • Definitions, examples, and practical use cases
  • Regression vs. classification in supervised learning
  • Clustering and pattern recognition in unsupervised learning



Lesson Video 1.2.2 – Reinforcement Learning Basics

  • Core idea: agents, actions, and rewards
  • Where RL might be applied in interactive systems



Lesson Video 1.2.3 – Training, Validation, & Test Sets

  • Data splitting strategies
  • Cross-validation for robust evaluation



Lesson Video 1.2.4 – Overfitting & Underfitting

  • Common causes and warning signs
  • Techniques to prevent or mitigate these issues



Lesson Video 1.2.5 – Basic Model Evaluation Metrics

  • Accuracy, precision, recall, F1 score, ROC-AUC
  • When and why to use each metric



Section 1.3: Essential Mathematical Foundations



Section 1.3 Intro (Video)

  • Importance of math for ML theory
  • Overview of how these topics unify ML approaches



Lesson Video 1.3.1 – Probability & Statistics

  • Basic statistical measures and distributions
  • Handling uncertainty in ML



Lesson Video 1.3.2 – Linear Algebra

  • Vectors, matrices, and key operations in ML
  • Why this is crucial for model computations



Lesson Video 1.3.3 – Optimization

  • Error minimization concepts
  • Intuitive look at gradient descent



Section 1.4: ML Pipeline & Terminology



Section 1.4 Intro (Video)

  • Emphasizing the end-to-end flow of an ML project
  • Key terms engineers must master



Lesson Video 1.4.1 – Core Terminologies

  • Models, features, labels, training, inference
  • Data vs. code boundaries



Lesson Video 1.4.2 – ML Pipeline Overview

  • Data collection → preprocessing → training → evaluation → deployment
  • Where engineers typically intervene



Lesson Video 1.4.3 – Why ML Requires Different Workflows

  • Comparison with conventional software
  • The iterative nature of data-driven development



Module 2: Traditional ML Model Landscape



Module 2 Intro (Video)

  • Transition from foundational concepts to concrete ML algorithms
  • Importance of classical models before jumping into deep learning



Section 2.1: Overview of Common ML Models



Section 2.1 Intro (Video)

  • High-level overview of widely used classical models
  • How to choose based on interpretability and complexity



Lesson Video 2.1.1 – Linear Models

  • Linear Regression, Logistic Regression basics
  • Strengths, weaknesses, and real-world use cases



Lesson Video 2.1.2 – Decision Trees & Random Forests

  • Tree-based methods
  • Trade-offs: interpretability vs. performance



Lesson Video 2.1.3 – Support Vector Machines

  • The concept of maximizing margins
  • Kernel tricks for handling non-linear data



Lesson Video 2.1.4 – Model Selection Criteria

  • Matching models to problem types, complexity, and data constraints



Section 2.2: Model Evaluation & Selection



Section 2.2 Intro (Video)

  • Revisit performance metrics and practical heuristics
  • How to avoid common pitfalls



Lesson Video 2.2.1 – Deep Dive into Performance Metrics

  • When to use accuracy, F1, ROC-AUC in real scenarios
  • Class imbalance considerations



Lesson Video 2.2.2 – Overfitting vs. Underfitting in Practice

  • Diagnostics and remedies beyond theory
  • Tools and techniques to systematically address these issues



Lesson Video 2.2.3 – Choosing the Right Model

  • Combining domain knowledge with ML fundamentals
  • Balancing interpretability, performance, and resource constraints



Module 3: Neural Networks & Deep Learning Fundamentals



Module 3 Intro (Video)

  • Why neural networks gained popularity
  • Transition from classical ML to deep learning



Section 3.1: Neural Network Building Blocks



Section 3.1 Intro (Video)

  • High-level architecture of a neural network
  • Key components for building from scratch



Lesson Video 3.1.1 – Neuron, Layers, & Activations

  • Basic computations of a neuron
  • Popular activation functions (ReLU, sigmoid, tanh)



Lesson Video 3.1.2 – Backpropagation Basics

  • Gradient flow explanation
  • Role of partial derivatives in updating weights



Lesson Video 3.1.3 – Loss Functions & Optimizers

  • MSE, Cross-Entropy, and beyond
  • SGD vs. Adam vs. other optimizers



Section 3.2: Advanced Architectures (CNNs & RNNs)



Section 3.2 Intro (Video)

  • How specialized architectures tackle domain-specific data
  • Brief rationale for image vs. sequential tasks



Lesson Video 3.2.1 – Convolutional Neural Networks (CNNs)

  • Convolutional layers, pooling, and their applications
  • Image-based tasks and object recognition



Lesson Video 3.2.2 – Recurrent Neural Networks (RNNs)

  • Sequential data processing
  • Time-series, language modeling basics



Module 4: Large Language Models & Transformer Architectures



Module 4 Intro (Video)

  • The shift from RNNs to Transformers
  • Why LLMs are central in current NLP



Section 4.1: Transformer Fundamentals



Section 4.1 Intro (Video)

  • Overview of the radical change introduced by attention mechanisms
  • Significance of scaling in modern NLP



Lesson Video 4.1.1 – Self-Attention Mechanisms

  • How transformers capture contextual dependencies
  • Multi-head attention basics



Lesson Video 4.1.2 – Position Encodings

  • Preserving word order in a parallel architecture
  • Sinusoidal vs. learned encodings



Lesson Video 4.1.3 – Model Scaling

  • What qualifies as a “large” language model
  • Training and hardware considerations



Section 4.2: Exploring the LLM Landscape



Section 4.2 Intro (Video)

  • Comparison of open source vs. proprietary solutions
  • Licensing and usage concerns



Lesson Video 4.2.1 – Open Source LLMs

  • Llama 2 family, Mistral AI, Falcon, BLOOMZ, MPT
  • Capabilities, typical use cases, and size distinctions



Lesson Video 4.2.2 – Proprietary LLMs

  • OpenAI GPT family, Anthropic Claude, Google PaLM/Gemini
  • Licensing, usage guidelines, and cost factors



Module 5: Pre-training, Fine-tuning & Transfer Learning



Module 5 Intro (Video)

  • Why reusing models makes sense
  • How fine-tuning bridges general knowledge to domain tasks



Section 5.1: How Pre-training Works



Section 5.1 Intro (Video)

  • Explanation of large-scale pre-training approaches
  • Historical context (ImageNet, large text corpora)



Lesson Video 5.1.1 – Learning General Representations

  • The concept of “universal features”
  • Why pre-trained models accelerate development



Section 5.2: Fine-tuning Strategies



Section 5.2 Intro (Video)

  • What it means to adapt an existing model
  • Common pitfalls engineers should watch for



Lesson Video 5.2.1 – Feature Extraction

  • Using pre-trained layers for new tasks
  • When to freeze or unfreeze layers



Lesson Video 5.2.2 – Balancing Performance & Complexity

  • Trade-offs in partial vs. full fine-tuning
  • Domain adaptation strategies



Section 5.3: Transfer Learning in Action



Section 5.3 Intro (Video)

  • Real-life case studies and best practices
  • Steps to ensure successful adaptation



Lesson Video 5.3.1 – Workflow Example

  • Typical pipeline for applying a pre-trained model
  • Data requirements, environment setup



Lesson Video 5.3.2 – Performance Tuning Tips

  • Hyperparameter tweaks, monitoring improvements
  • Handling domain shifts and specialty data



Module 6: Emerging ML Technologies & Ethical Considerations



Module 6 Intro (Video)

  • A forward-looking perspective on ML developments
  • Why ethical and societal factors matter



Section 6.1: Multimodal Models



Section 6.1 Intro (Video)

  • Definition and applications of multimodal approaches
  • Growth of cross-domain tasks



Lesson Video 6.1.1 – Combining Different Data Types

  • Text + images + audio
  • Typical architecture considerations



Lesson Video 6.1.2 – Real-World Use Cases

  • Multimodal search engines, image captioning, video analytics



Section 6.2: Edge AI



Section 6.2 Intro (Video)

  • Why deploy models on-edge?
  • Constraints and benefits for real-time systems



Lesson Video 6.2.1 – Deployment on Edge Devices

  • Hardware limitations (e.g., IoT, mobile)
  • Model compression strategies



Lesson Video 6.2.2 – Practical Implementations

  • Real-world examples of edge inference
  • Maintaining performance under resource constraints



Section 6.3: Ethical AI & Future Perspectives



Section 6.3 Intro (Video)

  • Significance of fairness, accountability, and transparency
  • Evolving regulations



Lesson Video 6.3.1 – Developments in Ethical AI

  • Techniques for bias detection and mitigation
  • Data privacy concerns



Lesson Video 6.3.2 – Emerging Architectures & Potential Impact

  • Continual learning, advanced architectures
  • Staying updated on the latest breakthroughs



Conclusion & Next Steps (Video)

  • Recap of foundational theory learned
  • How to transition to hands-on projects using this theory base
  • Resources & communities for continued learning, collaboration, and staying current



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