Teaching analytics with modern Excel
null and missing values in Power QueryI've written in the past how Power Query enforces good data hygiene practices that aren't always in Excel. One of those is the presence of a null or dedicated missing value. This has been a real …
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One of the central roles of an analyst is myth buster: what is assumed to be true that might not be? And why does it matter? Excel is a legendary business application. But sometimes, legend passes …
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Let's be honest, there are a lot of terms in tech that sound way more complicated than they really are. Maybe it goes by an acronym for peak confusion. But peel back the concept and it makes perfect …
Continue Reading about How Power Query serves as an extract, transform, load (ETL) tool for Excel →
Power Query is possibly the most exciting new Excel feature of its generation... but you might never know it considering how hidden it is from the Excel interface! If you're looking to connect a data …
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1 hour to Power Query in Excel (PDQ = Pretty Darn Quick!) It's the most exciting Excel development in a generation... but you'd be forgiven for not knowing about it! Overview This one-hour …
From botched dates to missing records and more, poor spreadsheet management has led to major problems in scientific research. The prestigious journal Nature last week shared six tips for better …
