Скачать или смотреть English Version – Mastering Power Query: The Ultimate Guide | Video #10 | Group By in Power Query

Master the Power Query "Group By" function, one of the most powerful and time-saving tools for data transformation in Excel and Power BI. This comprehensive tutorial will walk you through everything you need to know, from basic aggregation to advanced use cases like finding the top N records, creating frequency distributions, and handling multiple grouping conditions.
In this video, you'll learn:
• What the Group By function does and when to use it for data summarization and aggregation.
• How to perform simple aggregations like sum, average, and count.
• Advanced Group By techniques, including grouping by multiple columns and adding complex custom calculations.
• Real-world examples to help you clean and shape your data efficiently.
• The difference between the basic and advanced Group By editor and how to use them to write powerful M code.
Say goodbye to manual data manipulation and hello to streamlined, automated reports. If you're looking to level up your data analytics skills, this video is a must-watch!
Quiz link:
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