Data Analysis Expression DAX Tutorial which includes topics on;

-Syntax

-Row Context

-Filter Context

-Calculated Column

-Measure

-Implicit Filter

-Explicit Filter

-Iterators

-Evaluation Context

Examples of simple to complex functions including

-SUM function

-SUMX function

-AVERAGEX function

-CONCATENATEX function

-FILTER function,

-CALCULATE function

-RELATED function

-RELATEDTABLEfunction etc.

These functions are discussed with reference to business logic, use cases and examples of visualization.