7.7 POWER BI - AGGREGATE FUNCTION - TOPN

In this Session we will learn about TOPN Functions- Data Analysis Expressions.

DAX - Data Analysis Expression -

Library of functions used to perform data analysis and calculations. It makes the report
more efficient and insightful.
DAX are the collection of formulas, functions, operators and constant. It allows a user
to create measures, dimensions etc.

Why used DAX –

To reuse and formula in multiple places.
To create a customized formula or complex formula where simple formula like sum or
average will not be sufficient

DATA ANALYSIS EXPRESSION (DAX)–TYPES OF DAX FUNCTIONS (MOST COMMON)

Date and Time Functions
Information functions
Logical Functions
Aggregate Functions
Mathematical and Trigonometric Functions
Parent and child functions
Statistical functions
Text functions

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In my Previous Videos we have covered the below topics.

How to become a Data Analyst
https://www.youtube.com/watch?v=mZMmhE1NyL4&t=219s

What is Power BI
https://www.youtube.com/watch?v=oEQRX02sKfY&t=42s

Power Bi Installation Process
https://www.youtube.com/watch?v=0hLiM9JkHJA&t=193s

Power BI Project Steps
https://www.youtube.com/watch?v=InUdqAi0weY&t=75s

Power BI - How to Import Data From Excel
https://www.youtube.com/watch?v=LlxeUb8D0lY&t=57s

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