8-Chems

DAX: The Complete Guide – Functions, Concepts & Practical Examples Master Data Analysis Expressions (DAX) — the powerful formula language behind Microsoft Power BI, Excel Power Pivot, and SQL Server Analysis Services Tabular models. This comprehensive guide covers core concepts, essential functions, and real-world examples. Table of Contents 1. What is DAX? 2. Calculated Columns vs. Measures 3. Row Context & Filter Context 4. Essential DAX Functions 5. Aggregation Functions 6. Logical Functions 7. Text Functions 8. Date & Time Functions 9. Time Intelligence Functions 10. Iterator (X) Functions 1. What is DAX? Data Analysis Expressions (DAX) is a library of functions and operators used to build formulas and expressions in Microsoft’s ta...

Banking Data Science — Skills & Portfolio Guide Banking Data Science — Skills & Portfolio Guide Practical skills, application areas, and project ideas to build a strong banking-focused data science portfolio. 1. Core Application Areas Where data science is most impactful in banking. Domain Area Typical Use Case Example Credit Risk Modeling Predict probability of default Loan delinquency forecasting Fraud Detection Identify suspicious transactions Real-time card fraud alerts Customer Segmentation & Personalization Tailor offers and experiences Next-best-action recommendations ...

Insurance Data Science — Skills & Portfolio Guide Ins Insurance Data Science — Skills & Portfolio Guide Practical skills, application areas, and project ideas to build a strong insurance-focused data science portfolio. 1. Core Application Areas Where data science is most impactful in insurance. Domain Area Typical Use Case Example Risk Modeling Predict probability of claims Accident likelihood per driver Underwriting Automation Automate risk evaluation AI health risk scoring Pricing Optimization Optimize premiums Telematics-based dynamic pricing Fraud Detection Detect suspicious claims Graph-based fraud ring detection Claims Management Estimate claim cost & triage Repair cost estimation from photos Custom...