Power Query for Power BI and Excel is a book for people who are tired of copying and pasting data into Excel worksheets. Power Query, part of the Microsoft Power BI suite, is a tool that automates the process of getting data into Excel and will save you hours of dull, repetitive, and error-prone work! Power Query makes it easy to extract data from many different data sources, filter that data, aggregate it, clean it and perform calculations on it, finally loading that data into either your worksheet or directly into the new Excel 2013 Data Model used by Power Pivot. This concise, practical book provides a complete guide to Power Query and how to use it to solve all of your Excel data-loading problems. Power Query for Power BI and Excel goes well beyond the surface of what Power Query can do. The book goes deep into the underlying M language, showing you how to do amazing things that aren’t going to be possible from just the GUI interface that iscovered in most other books. You’ll have full command of the GUI, and you’ll be able to drop into the M language to go beyond what the GUI provides. The depth in this book makes it a must-have item for anyone who is pushing Power BI and Excel to their limits in the pursuit of business intelligence from data analysis. Teaches the basics of using Power Query to load data into Excel Helps you solve common, data-related problems with Power Query Shows how to write your own solutions in the powerful M language

本書は単なる技術書ではなく、不毛な反復作業からの「魂の解放」を説く一冊です。著者はデータの奔流に溺れる現代人に対し、自動化という聖域を提示します。表層的な操作に留まらず、論理の美学を追求するその筆致は、混沌とした数字を洗練された知恵へと昇華させる、知的探究の喜びを鮮烈に描き出しています。 白眉は、深淵なる「M言語」へのアプローチです。GUIという仮面を剥ぎ取り、直接コードと対話する行為は、職人が素材の真髄を掴む瞬間に似ています。効率化の先にある真理を求める者にとって、本書は自らの限界を突破し、データという物語を支配するための、情熱的な羅針盤となるはずです。