Preface
It’s easy to create amazing demos with Microsoft’s new Power BI suite of tools. If you’ve bought this book you’ve probably already seen more than your fair share: See millions of values summed up in a second using Power Pivot! Watch bubbles bounce around a chart with Power View! Zoom over a 3D landscape with Power Map! Talk to your data with Q&A! Quite often Power Query is only shown for a few seconds, if it’s shown at all. And yet… anyone who tries to do any real work with Power BI soon realizes that Power Query is the real star of the stack. I fell in love with it as soon as I saw the first experimental versions, back when it was called Data Explorer, and I’ve watched it grow up into an immensely capable tool - one that is both easy-to-use ...
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