DAX 3-Day Intensive Course (Intro, Intermediate & Advanced)

Description

Our three-day DAX Intensive Training Course is designed for Power BI users who find themselves struggling with Power BI’s Data Analysis Expressions (DAX) formulas and would like to obtain a throrough grounding in this important data modelling formula langauge. It starts from the fundamentals and works through to advanced topics. The course consists of three modules (which can be also taken separately):

• POWER BI DAX Introduction
• POWER BI DAX Intermediate
• POWER BI DAX Advanced

POWER BI DAX INTRODUCTION

Getting Started

Welcome to the Course
Downloading the Course Files
DAX Overview
DAX Objects

Calculated Columns

Calculated Columns versus M Computed Columns
Creating Calculated Columns
Calculated Columns versus Measures
Calculated Columns, Measures and Visuals

DAX Syntax

Referring to Objects
DAX Operators
Using Variables

Calculated Tables

Creating Calculated Tables
Creating a Date Table
Cloning a Table
Using the DISTINCT Function
Using the FILTER Function

Measures

Creating a Measures Table
Implicit Measures
Measures and the Filter Context
Basic Aggregation Functions
Logical Functions

Iterator Functions

Implicit and Explicit Iteration
The SUMX Function
The AVERAGEX Function
The COUNTX Function
Calculation Contexts

Understanding Calculation Contexts

The Row Context
The Filter Context
Context Transition

CALCULATE Function Basics

CALCULATE Overview
Using CALCULATE with Booleans
Using CALCULATE with FILTER
Using CALCULATE with ALL

POWER BI DAX INTERMEDIATE

Dynamic Titles

Using the SELECTEDVALUE Function
Nesting the SELECTEDVALUE Function
Using CONCATENATEX with Dynamic Titles

Interacting with the User

The USERNAME Function
Displaying the last refresh date and time
Creating dynamic Accessibility Alt tags

Dynamic Formatting

Creating Measures which Return RAG Colours
Creating Measures which Return Images

Ranking with DAX

The RANKX Function
Ranking Within a Group
Using the TOPN Function

DAX Time Intelligence

Power BI Auto Date/Time Feature
Calendar Tables
Automatic vs Manual Time Intelligence
The TOTALYTD, TOTALQTD and TOTALMTD functions
The SAMEPERIODLASTYEAR Function
Using the DATEADD Function for Maximum Flexibility
The PARALLELPERIOD Function
Calculating Running Totals
Using DATESINPERIOD for MAT and 3MMA

Semi-Additive Measures

What is a Semi-Additive Measure?
Creating a Semi-Additive Measure
Non-Additive Visualization
Additive Visualization

POWER BI DAX ADVANCED

Calculation Groups

Overview of Calculation Groups
Overview of Tabular Editor
Creating a Calculation Group
SELECTEDMEASURE and SELECTEDMEASURENAME
Using Calculation Groups with Time Intelligence
Exchanging Measures using Calculation Groups
Defining Format Strings
Making Format Strings Dynamic

Exposing DAX to the User

Using DAX What-if Parameters
The GENERATESERIES Function
Letting the User Control Time Intelligence

Grouping Functions

SUMMARIZE
SUMMARIZECOLUMNS
GROUPBY BY

Combining Tables with DAX

UNION
CROSSJOIN
INTERSECT
EXCEPT

Manipulating Filters

ALL and ALLEXCEPT
ALLSELECTED and ALLCROSSFILTERED
REMOVEFILTERS and KEEPFILTERS
EARLIER and EARLIEST
The USERELATIONSHIP Function

Data Lineage

What is Data Lineage?
Controlling data lineage with the TREATAS Function

Debugging DAX Code

Using the Performance Analyzer
Running Code in DAX Studio
Using Define Measure
Using Define Dependent Measures
Redefining Measures