ML Development Lifecycle: Curriculum Overview
ML development lifecycle
ML Development Lifecycle: Comprehensive Curriculum Overview
This document outlines the structured learning path for mastering the Machine Learning (ML) development lifecycle, specifically aligned with the AWS Certified AI Practitioner (AIF-C01) standards. This curriculum covers the journey from business objective to production monitoring.
Prerequisites
Before engaging with the ML Lifecycle curriculum, learners should possess the following foundational knowledge:
- AI/ML Fundamentals: Ability to differentiate between Artificial Intelligence, Machine Learning, and Deep Learning.
- Data Literacy: Understanding of data types including structured (tabular), unstructured (text, image), and time-series data.
- Basic Cloud Concepts: Familiarity with cloud computing environments (AWS preferred) and the shared responsibility model.
- Mathematical Awareness: High-level understanding of statistical concepts used in evaluation (e.g., probability, averages).
Module Breakdown
The curriculum is divided into five core phases that mirror the real-world iterative process of ML development.
| Module | Phase | Key Focus Areas | Difficulty |
|---|---|---|---|
| 1 | Strategy & Framing | Business goals, KPIs, and ML problem translation | Beginner |
| 2 | Data Engineering | Collection, Preprocessing, and Feature Engineering | Intermediate |
| 3 | Model Science | Training, Hyperparameter Tuning, and Evaluation | Intermediate |
| 4 | Deployment & Governance | MLOps, Model Registry, and Approval Workflows | Advanced |
| 5 | Post-Production | Monitoring, Data Drift, and Retraining loops | Advanced |
Learning Objectives per Module
Module 1: Strategy & Problem Framing
- Define clear Key Performance Indicators (KPIs) to measure project success.
- Translate business problems into ML tasks (Classification, Regression, or Clustering).
- Determine when ML is not appropriate (e.g., when a rule-based system is sufficient).
Module 2: Data Processing
- Execute Exploratory Data Analysis (EDA) to understand data distributions.
- Perform Feature Engineering to select and modify variables for better predictive power.
- Utilize AWS tools like SageMaker Data Wrangler for accelerated preprocessing.
Module 3: Development & Evaluation
- Compare sources of models: training custom models vs. using SageMaker JumpStart pretrained models.
- Apply performance metrics: Accuracy, AUC, and F1 Score.
- Optimize models through hyperparameter tuning and iterative experimentation.
Module 4: Governance & MLOps
- Implement SageMaker Model Registry for version control and lineage tracking.
- Navigate the governance approval flow (Compliance, Ethical, and Regulatory review).
- Distinguish between Batch and Real-time inferencing methods.
Module 5: Monitoring & Maintenance
- Detect Data Drift and performance degradation using SageMaker Model Monitor.
- Establish repeatable MLOps processes using SageMaker Pipelines.
Visual Anchors
The Iterative ML Lifecycle
AWS Tool Mapping for the Pipeline
Success Metrics
To demonstrate mastery of this curriculum, learners must be able to:
- Technical Validation: Successfully train and deploy a model that meets a specific performance threshold (e.g., F1 Score > 0.85).
- Business Alignment: Define at least one business KPI for a given case study (e.g., "Reduce customer churn by 15%").
- Governance Compliance: Document model purpose, risk category, and assumptions in a SageMaker Model Card.
- Operational Readiness: Configure an automated pipeline that triggers a retraining job based on model decay.
[!IMPORTANT] Success in ML is not just high accuracy; it is the ability to maintain model performance and ethical standards over time in a production environment.
Real-World Application
| Industry | Use Case | ML Framing | Real-World Benefit |
|---|---|---|---|
| Retail | Customer Churn | Binary Classification | Increases retention by identifying at-risk customers early. |
| Healthcare | Patient Readmission | Classification | Improves patient outcomes and reduces hospital operational costs. |
| Finance | Fraud Detection | Anomaly Detection | Protects assets by identifying suspicious transactions in real-time. |
| Manufacturing | Predictive Maintenance | Regression | Reduces downtime by predicting when a machine will fail based on sensor data. |
▶Deep Dive: When NOT to use ML
Machine Learning adds complexity and cost. Avoid ML if:
- The problem can be solved with simple arithmetic (e.g., calculating BMI).
- Full transparency/explainability is a strict legal requirement that the model cannot meet.
- There is no quality historical data available for training.
- A specific, 100% predictable outcome is needed rather than a probabilistic prediction.