You're reading from Data Cleaning with Power BI

Product typeBook

Published inFeb 2024

PublisherPackt

ISBN-139781805126409

Edition1st Edition

Concepts

Data Analysis

Author (1)

Gus Frazer

Summary

In this chapter, you gained an understanding of how to work with data sources using the M language within Power Query in Power BI. You learned about topics such as M queries, M structure, variable declarations, data source connections, query steps, data type manipulation, and the importance of comments for code readability. You also discovered the versatility of M in handling different data sources, customizing connections, and using parameters, offering step-by-step instructions on creating and using parameters to enhance code maintainability and flexibility.

Additionally, the chapter presented practical examples of using parameters in M when connecting to SQL Server databases, conditionally selecting data sources using parameters, and combining multiple CSV files from a folder. These examples illustrated how M can be used to perform advanced data transformations, beyond what the UI offers.

Overall, you gained valuable insights into the power of M for working with diverse...

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Data Cleaning with Power BI

Published in: Feb 2024Publisher: PacktISBN-13: 9781805126409

Author (1)

Gus Frazer

Gus Frazer is a seasoned analytics consultant who focuses on business intelligence solutions. With over eight years of experience working for the two market-leading platforms, Power BI (Microsoft) and Tableau, he has amassed a wealth of knowledge and expertise. He also has experience in helping hundreds of customers to drive their digital and data transformations, scope data requirements, drive actionable insights, and most important of all, clean data ready for analysis.
Read more about Gus Frazer

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