A concept-first, example-driven repository for mastering DAX (Data Analysis Expressions) from fundamentals to advanced business calculations used in Power BI, Excel Power Pivot, and SSAS.
| Level | Topics Covered |
|---|---|
| 🔹 Fundamentals | What is DAX, Measures vs Columns |
| 📊 Context | Row Context, Filter Context |
| 📐 Core Functions | SUM, AVERAGE, COUNT, CALCULATE |
| 🧠 Logical DAX | IF, SWITCH, HASONEVALUE |
| ⚙️ Time Intelligence | YTD, MTD, SAMEPERIODLASTYEAR |
| 📈 Advanced DAX | ALL, ALLEXCEPT, VALUES |
| 🏭 Business Use | KPIs, Ratios, Growth Metrics |
✔ Backbone of Power BI analytics
✔ Enables custom business calculations
✔ Essential for Data Analyst & BI roles
✔ Converts visuals into true insights
✔ Used in real-world reporting & dashboards
- Build strong conceptual clarity in DAX
- Understand how DAX really works internally
- Learn context-driven calculations step-by-step
- Bridge the gap between syntax and business logic
- Prepare learners for industry dashboards & interviews
- 🔹 Core calculation language for Power BI
- 🔹 Enables dynamic KPIs & measures
- 🔹 Powers advanced analytics & time intelligence
- 🔹 Essential for performance-optimized dashboards
- 🔹 Foundation for professional BI development
| Level | Coverage |
|---|---|
| 🟢 Beginner | DAX Basics, Syntax, Measures |
| 🟡 Intermediate | Context, CALCULATE, Filters |
| 🔵 Advanced | Time Intelligence, Optimization |
| 🔴 Industry | Real Business Scenarios |
flowchart LR
A[Start DAX Journey]:::start --> B[DAX Fundamentals]:::basic
B --> C[Measures vs Columns]:::basic
C --> D[Row Context]:::intermediate
C --> E[Filter Context]:::intermediate
D --> F[CALCULATE Function]:::algo
E --> F
F --> G[Logical Functions]:::advanced
G --> H[Time Intelligence]:::advanced
H --> I[Advanced Filters]:::advanced
I --> J[Business KPIs]:::deploy
J --> K[Real-World Power BI Dashboards]:::deploy
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classDef intermediate fill:#fef3c7,color:#78350f,stroke:#f59e0b,stroke-width:2px
classDef algo fill:#ede9fe,color:#4c1d95,stroke:#8b5cf6,stroke-width:2px
classDef advanced fill:#dcfce7,color:#14532d,stroke:#22c55e,stroke-width:2px
classDef deploy fill:#fee2e2,color:#7f1d1d,stroke:#ef4444,stroke-width:2px
🔹 Core Foundations What is DAX? Measures vs Calculated Columns Evaluation Context
🔹 Context Handling Row Context Filter Context Context Transition
🔹 Core Functions SUM, COUNT, AVERAGE CALCULATE, FILTER ALL, VALUES
🔹 Logical & Conditional DAX IF, SWITCH HASONEVALUE ISBLANK
🔹 Time Intelligence YTD, MTD, QTD SAMEPERIODLASTYEAR DATEADD
🔹 Business Analytics KPIs & Ratios Growth & Variance Performance Metrics
| Tool | Purpose |
|---|---|
| Power BI | Dashboard & DAX Development |
| DAX | Analytical Calculations |
| Excel Power Pivot | DAX Practice |
| Data Modeling | Relationships & Schema |
| Business Logic | Insight Generation |
✔ Students & Beginners ✔ Power BI Learners ✔ Faculty & Trainers ✔ Data Analysts & BI Developers ✔ Interview & Exam Preparation
Ashwin Ananta Panbude Data Analyst | Faculty
