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Power Query Cookbook

You're reading from   Power Query Cookbook Use effective and powerful queries in Power BI Desktop and Dataflows to prepare and transform your data

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Product type Paperback
Published in Oct 2021
Publisher Packt
ISBN-13 9781800569485
Length 412 pages
Edition 1st Edition
Languages
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Author (1):
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Andrea Janicijevic Andrea Janicijevic
Author Profile Icon Andrea Janicijevic
Andrea Janicijevic
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Table of Contents (12) Chapters Close

Preface 1. Chapter 1: Getting Started with Power Query 2. Chapter 2: Connecting to Fetch Data FREE CHAPTER 3. Chapter 3: Data Exploration in Power Query 4. Chapter 4: Reshaping Your Data 5. Chapter 5: Combining Queries for Efficiency 6. Chapter 6: Optimizing Power Query Performance 7. Chapter 7: Leveraging the M Language 8. Chapter 8: Adding Value to Your Data 9. Chapter 9: Performance Tuning with Power BI Dataflows 10. Chapter 10: Implementing Query Diagnostics 11. Other Books You May Enjoy

Using data profiling tools

You may deal with great amounts of data and need tools that allow you to quickly check data quality and distribution and get insights from columns' profiles.

Power Query offers an intuitive way of exploring data to identify bad data. Data profiling is especially convenient when you are working with large volumes of data and you want to quickly visualize the composition of that data.

Getting ready

For this recipe, you need to download the FactInternetSales2 CSV file into your local folder.

In this example, we will refer to the C:\Data folder.

How to do it…

Once you have opened your Power BI Desktop application, you are ready to perform the following steps:

  1. Click on Get Data and select the Text/CSV connector.
  2. Browse to your local folder where you downloaded the FactInternetSales2 CSV file and open it. A window with a preview of the data will pop up; click on Transform data.
  3. Browse the query ribbon and click on...
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