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AI & Machine Learning
🌱 Foundation

Intro to AI & Prompt Engineering

Understand modern AI and learn to craft effective prompts for real-world tasks.

1
Lesson 1

Prompt Engineering Fundamentals for Data Professionals

Learn the systematic approach to crafting AI prompts that generate reliable, actionable data insights. Master the four-pillar framework that transforms vague questions into precise analytical conversations.

18 min read
2
Lesson 2

AI for Excel and Power BI: Practical Use Cases Today

Master AI-powered data analysis with hands-on examples of Excel Copilot, Power BI natural language queries, and predictive analytics that work in production environments today.

14 min read
3
Lesson 3

Understanding Large Language Models: How ChatGPT and Claude Actually Work

Go beyond the hype and understand the transformer architecture, training pipeline, and emergent behaviors that power modern AI assistants. Learn to build production-ready LLM systems with deep technical insights.

32 min read
4
Lesson 4

Building Effective System Prompts for Business Applications

Learn to craft system prompts that transform unpredictable AI responses into reliable business tools. Master the four essential components and avoid common pitfalls that derail AI projects.

20 min read
5
Lesson 5

AI-Powered Data Analysis with Code Interpreter and Copilot

Master professional data analysis workflows using AI assistants. Learn advanced prompt engineering, validation strategies, and production-ready implementation patterns for Code Interpreter and GitHub Copilot.

18 min read
6
Lesson 6

Evaluating AI Output: Accuracy, Hallucinations, and Validation

29 min read
7
Lesson 7

Using AI to Generate SQL, DAX, and M Code: A Complete Guide for Data Professionals

Learn how to harness AI as your coding assistant for SQL database queries, DAX calculations in Power BI, and M code for data transformation. This comprehensive guide shows you how to craft effective prompts, iterate on results, and avoid common pitfalls.

15 min read
8
Lesson 8

Building Ethical AI Systems: A Practitioner's Guide to Responsible Business Implementation

Master practical frameworks for detecting bias, implementing fairness constraints, and building transparent AI systems that earn stakeholder trust while meeting business objectives.

25 min read
9
Lesson 9

AI Ethics and Responsible Use in Business: A Comprehensive Implementation Guide

Master the technical and organizational aspects of implementing responsible AI in enterprise environments. Learn to detect bias, ensure transparency, protect privacy, and maintain human agency in production AI systems.

29 min read
10
Lesson 10

Prompt Chaining: Breaking Complex Tasks into Steps

Learn to break complex AI tasks into manageable, sequential prompts that build on each other for more reliable and comprehensive results than any single prompt could achieve.

15 min read
11
Lesson 11

Building Custom GPTs and Claude Projects for Your Team

Learn to create specialized AI assistants that understand your organization's unique context, processes, and standards. Transform generic AI tools into team-specific assets that integrate seamlessly into your workflows.

27 min read
12
Lesson 12

Fine-Tuning vs. RAG vs. Prompt Engineering: Choosing the Right Customization Strategy for Enterprise AI Deployments

Enterprise AI deployments live or die on how well you customize your foundation model to your business domain — but choosing the wrong approach costs months of engineering time. This deep-dive lesson builds the decision framework, architectural patterns, and mechanistic understanding you need to get it right the first time.

29 min read
13
Lesson 13

Choosing the Right AI Tool for the Job: ChatGPT, Copilot, Claude, and Gemini Compared for Data Professionals

Not all AI assistants are created equal — and using the wrong one for a data task can cost you more time than doing it manually. This lesson gives you a practical framework for choosing between ChatGPT, Copilot, Claude, and Gemini based on your actual workflow, not marketing claims.

18 min read
14
Lesson 14

Automating Repetitive Reporting Workflows with AI: From Data Summaries to Stakeholder-Ready Narratives

Stop spending your afternoons translating dashboard numbers into Word documents. This hands-on lesson walks you through building a production-ready Python pipeline that takes raw data, computes structured summaries, and uses AI to generate consistent, professional narrative reports — automatically, every reporting cycle.

22 min read
15
Lesson 15

Designing AI Evaluation Frameworks: How to Benchmark, Test, and Monitor LLM Performance in Production Workflows

Most teams evaluate LLMs by vibes and hope — and pay for it in production incidents. This lesson builds a complete, production-grade evaluation framework from scratch, covering tiered testing architectures, metric selection, LLM-as-judge implementation, and real-time monitoring with statistical drift detection.

30 min read
16
Lesson 16

Tokens, Context Windows, and Input Limits: What Data Professionals Need to Know Before Building AI Workflows

Before you build a single AI pipeline, you need to understand tokens and context windows — the invisible constraints that break workflows in production. This lesson teaches you how to measure, calculate, and design around input limits so your AI integrations work reliably with real data.

17 min read
17
Lesson 17

Structuring Unstructured Data with AI: Extracting Tables, Entities, and Insights from Text and Documents

Learn how to build production-grade AI extraction pipelines that turn messy contracts, invoices, press releases, and reports into clean, structured data. This hands-on lesson covers schema design, entity extraction, table reconstruction, long-document chunking, and confidence scoring — everything you need to move from demo to production.

24 min read
18
Lesson 18

Retrieval-Augmented Generation in Practice: Building Knowledge-Grounded AI Pipelines for Enterprise Data Workflows

RAG sounds simple until you deploy it in production. This deep-dive lesson covers every layer of a real RAG pipeline — from chunking strategy and hybrid retrieval to cross-encoder reranking and RAGAS evaluation — with production-grade Python code you can actually use.

28 min read
19
Lesson 19

Writing Clear AI Instructions: How to Communicate Your Intent So AI Tools Deliver Useful Results

Most AI tools aren't failing you — your instructions are failing them. Learn the four-component framework for writing prompts that consistently get you useful, accurate, and properly formatted results from any AI tool.

15 min read
20
Lesson 20

Few-Shot and Zero-Shot Prompting: When and How to Use Examples to Improve AI Output Quality

Most AI prompts underperform because they rely on instructions when they should be using examples. This lesson teaches you the mechanics of few-shot prompting, how to design example sets strategically, and how to debug the most common failure modes — with complete, production-ready prompts for data workflows.

20 min read
21
Lesson 21

Agentic AI Workflows: Designing Multi-Step Autonomous Pipelines That Plan, Act, and Self-Correct

Most agentic AI tutorials show you how to get started. This lesson shows you how to build systems that actually work in production — with deep coverage of the PAOR loop, context management, failure taxonomy, multi-agent coordination, and evaluation frameworks that go far beyond "did it finish?" If you're serious about deploying autonomous AI pipelines, this is the engineering foundation you need.

26 min read
22
Lesson 22

Understanding AI Model Temperature and Parameters: How to Control Output Randomness and Consistency for Business Use Cases

15 min read
23
Lesson 23

Integrating AI APIs into Business Workflows: Call OpenAI, Claude, and Gemini Programmatically

Stop copy-pasting outputs from browser tabs. This hands-on lesson teaches you to call OpenAI, Claude, and Gemini APIs directly from Python — with structured output, error handling, and a real ticket-classification workflow you can adapt immediately. No data engineering background required.

22 min read
24
Lesson 24

Prompt Versioning and Iteration Management: How to Track, Test, and Systematically Improve Prompts Across Enterprise AI Deployments

Most teams treat prompts like sticky notes — casually modified, never formally versioned, and untestable. This lesson teaches you to build a complete prompt lifecycle management system: from schema design and registry architecture to statistical evaluation harnesses and CI/CD integration that makes rigorous testing the default, not the exception.

29 min read
25
Lesson 25

AI Limitations You Must Understand Before Deploying It at Work: Knowledge Cutoffs, Confidentiality Risks, and When Not to Use AI

AI tools are powerful — but they have hard limits that can damage your credibility, expose your organization to legal risk, or just produce wrong answers with total confidence. This lesson teaches you exactly where those limits are and how to work around them professionally.

16 min read
26
Lesson 26

Multimodal Prompting: How to Use Images, PDFs, and Charts as AI Inputs for Data Analysis and Reporting

Most practitioners are using multimodal AI at 20% capacity — dragging files in and getting vague summaries back. This lesson teaches you the structured extraction techniques, validation strategies, and prompt pipeline patterns that turn visual and document inputs into reliable, actionable data analysis.

25 min read
27
Lesson 27

Orchestrating AI Agents with Tool Use and Function Calling: A Practical Guide to Building LLM-Powered Automation That Interacts with External Systems

Tool use transforms LLMs from conversational novelties into genuine automation engines. This deep-dive lesson builds a complete, production-grade agent from scratch — covering schema design, the agent loop, parallel tool calls, security hardening, and scaling patterns every data professional needs.

25 min read
28
Lesson 28

Prompt Templates and Reusable Prompt Libraries: How to Standardize AI Inputs Across Your Team

Inconsistent AI outputs are a workflow problem, not a technology problem — and prompt templates are the fix. Learn how to build structured, reusable prompts and organize them into a shared library your entire team can use to get consistent, scalable results from any LLM.

16 min read
29
Lesson 29

Structured Output and JSON Mode: How to Force AI to Return Machine-Readable Data for Downstream Automation

Language models are powerful but unpredictable — until you constrain their output. Learn how to use OpenAI's JSON Mode and Structured Outputs API to guarantee machine-readable responses that fit directly into databases, APIs, and automation pipelines without brittle parsing hacks.

21 min read
30
Lesson 30

Embedding AI Guardrails in Production Workflows: Input Validation, Output Filtering, and Fallback Logic for Enterprise LLM Pipelines

Deploying an LLM without guardrails isn't a risk — it's a guarantee of failure. This expert-level lesson teaches you how to build a complete, production-grade guardrail stack: layered input validation, rule-based and LLM-powered output filtering, and intelligent fallback logic that keeps your pipeline resilient under every failure mode.

28 min read
31
Lesson 31

From Vague to Precise: How to Diagnose and Fix Prompts That Return Unhelpful AI Responses

Most AI responses that miss the mark aren't the AI's fault — they're the prompt's fault. This lesson teaches you a five-point diagnostic framework to identify exactly why your prompt failed and apply targeted fixes that get you useful, precise answers every time.

16 min read
32
Lesson 32

Cost Optimization for AI API Usage: Managing Tokens, Model Tiers, and Caching Strategies to Control LLM Spend in Production

LLM API costs can spiral 10–20x between prototype and production if you're not engineering your cost architecture as carefully as your features. This lesson teaches you exactly how to audit token usage, implement intelligent model routing, build caching layers that actually work, and instrument cost monitoring so you catch regressions before your finance team does.

23 min read