Data Cleaning with Power BI: The definitive guide to transforming dirty data into actionable insights

Frazer, Gus

  • 出版商: Packt Publishing
  • 出版日期: 2024-02-29
  • 售價: $1,740
  • 貴賓價: 9.5$1,653
  • 語言: 英文
  • 頁數: 340
  • 裝訂: Quality Paper - also called trade paper
  • ISBN: 1805126407
  • ISBN-13: 9781805126409
  • 相關分類: Power BI
  • 海外代購書籍(需單獨結帳)

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商品描述

Unlock the full potential of your data by mastering the art of cleaning, preparing, and transforming data with Power BI for smarter insights and data visualizations

 

Key Features:

  • Implement best practices for connecting, preparing, cleaning, and analyzing multiple sources of data using Power BI
  • Conduct exploratory data analysis (EDA) using DAX, PowerQuery, and the M language
  • Apply your newfound knowledge to tackle common data challenges for visualizations in Power BI
  • Purchase of the print or Kindle book includes a free PDF eBook

 

Book Description:

Microsoft Power BI offers a range of powerful data cleaning and preparation options through tools such as DAX, Power Query, and the M language. However, despite its user-friendly interface, mastering it can be challenging. Whether you're a seasoned analyst or a novice exploring the potential of Power BI, this comprehensive guide equips you with techniques to transform raw data into a reliable foundation for insightful analysis and visualization.

This book serves as a comprehensive guide to data cleaning, starting with data quality, common data challenges, and best practices for handling data. You'll learn how to import and clean data with Query Editor and transform data using the M query language. As you advance, you'll explore Power BI's data modeling capabilities for efficient cleaning and establishing relationships. Later chapters cover best practices for using Power Automate for data cleaning and task automation. Finally, you'll discover how OpenAI and ChatGPT can make data cleaning in Power BI easier.

By the end of the book, you will have a comprehensive understanding of data cleaning concepts, techniques, and how to use Power BI and its tools for effective data preparation.

 

What You Will Learn:

  • Connect to data sources using both import and DirectQuery options
  • Use the Query Editor to apply data transformations
  • Transform your data using the M query language
  • Design clean and optimized data models by creating relationships and DAX calculations
  • Perform exploratory data analysis using Power BI
  • Address the most common data challenges with best practices
  • Explore the benefits of using OpenAI, ChatGPT, and Microsoft Copilot for simplifying data cleaning

 

Who this book is for:

If you're a data analyst, business intelligence professional, business analyst, data scientist, or anyone who works with data on a regular basis, this book is for you. It's a useful resource for anyone who wants to gain a deeper understanding of data quality issues and best practices for data cleaning in Power BI. If you have a basic knowledge of BI tools and concepts, this book will help you advance your skills in Power BI.

商品描述(中文翻譯)

解鎖您的數據潛力,掌握使用Power BI進行數據清理、準備和轉換的技巧,以獲得更智能的洞察和數據可視化。

主要特點:
- 使用Power BI實施連接、準備、清理和分析多個數據來源的最佳實踐
- 使用DAX、PowerQuery和M語言進行探索性數據分析(EDA)
- 應用您新學到的知識解決Power BI中常見的數據可視化挑戰
- 購買印刷版或Kindle電子書將包含免費的PDF電子書

書籍描述:
Microsoft Power BI通過DAX、Power Query和M語言等工具提供了一系列強大的數據清理和準備選項。然而,儘管其用戶友好的界面,但要掌握它仍然具有挑戰性。無論您是一位經驗豐富的分析師還是一位初學者探索Power BI的潛力,本全面指南都將為您提供將原始數據轉化為可靠基礎進行深入分析和可視化的技巧。

本書作為一本全面的數據清理指南,從數據質量、常見數據挑戰和最佳實踐開始,介紹了處理數據的方法。您將學習如何使用查詢編輯器導入和清理數據,並使用M查詢語言轉換數據。隨著您的進一步學習,您將探索Power BI的數據建模功能,以實現高效的清理和建立關係。後面的章節涵蓋了使用Power Automate進行數據清理和任務自動化的最佳實踐。最後,您將發現OpenAI和ChatGPT如何使Power BI中的數據清理更加容易。

通過閱讀本書,您將全面了解數據清理的概念、技巧以及如何使用Power BI及其工具進行有效的數據準備。

學到什麼:
- 使用導入和DirectQuery選項連接數據源
- 使用查詢編輯器應用數據轉換
- 使用M查詢語言轉換數據
- 通過創建關係和DAX計算設計乾淨且優化的數據模型
- 使用Power BI進行探索性數據分析
- 通過最佳實踐解決最常見的數據挑戰
- 探索使用OpenAI、ChatGPT和Microsoft Copilot簡化數據清理的好處

本書適合對數據進行定期處理的數據分析師、商業智能專業人員、業務分析師、數據科學家以及任何與數據工作的人。對於希望深入了解數據質量問題和Power BI數據清理最佳實踐的任何人來說,這是一個有用的資源。如果您對商業智能工具和概念有基本了解,本書將幫助您提升Power BI技能。