This post is a guest article from Marcus Croucher, a finance professional based in Auckland, New Zealand. Marcus instantly fell in love with Power Query after seeing how it can easily transform data in ways Excel finds difficult, and how
Ages ago I posted an article on unpivoting subcategories using Power Query. The technique is still valid and, in fact, it’s one that I still teach using the same data set. I’ve been able to use it on data with
One of the common questions I get in live courses, blog comments and forum posts is a variant of, “How do I format my data in Power Query or Power BI?” The short answer is that you don’t, but the
What is with Excel Tables and the Data Model? Believe it or not, this is not the question I started with today, it was actually "which is faster; loading from CSV files or Excel?" My initial results actually brought up
Legacy Installers for Power Query and Power BI Desktop Let's be honest, one of the incredibly cool things about Power Query and Power BI Desktop is that they are updated monthly. We always get new features and bug fixes, but
Data Connectors for Power Query in Excel One of the things that makes Power Query so powerful is able to connect to almost any type of data source. So how come you find yourself asking, "Why is this connector not
A client contacted me today asking how to merge files with different column headers in Power Query. The issue she's facing is that some of the files in her folder have a column called "customer", where others have a column
How we reduce development lag when building queries in Power Query is a question that came up in my blog post at PowerPivotPro last week, even though that wasn't the main issue. I thought it might be a good idea
Today a user brought up something in the forums I've seen before; adding null to values returns null. Simply put, they wanted to add the values in two columns together, but didn't get the results they expected. The issue: Adding
How you protect power queries is a question that will come up after you've built a solution that relies heavily on Power Query, especially if you're going to release it to other users. (This is a quick post, as I'm
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