When you're transforming data in Power BI or Excel using Power Query, you're bound to run into errors —mismatched data types, division by text, nulls, you name it. But instead of manually inspecting row by row, why not automate error detection with a custom Power Query function ? In this blog post, I’ll walk you through a clean method to catch and analyze all row-level errors  using Power Query. This approach works great when importing or transforming large datasets. We’ll co

This Power Query function  dynamically generates a calendar table  based on a given start date, end date, and fiscal year start month . It is designed to support time-based analysis  in Power BI by including key date attributes, fiscal calculations, and various helper columns. Power Query Calendar Function diagram illustrating parameter inputs for start date, end date, and fiscal start month, with outputs like date, fiscal year, ISO week, and day classifications such as weeke