Power BI M Code for Moving Annual Total - Custom Function Power Query Custom Column

Power BI M Code for Moving Annual Total - Custom Function Power Query Custom Column

Learn how to create a custom function in Power BI using M code to calculate Moving Annual Totals (MAT) in this comprehensive tutorial. Explore the process of transforming data models, importing files, and manipulating tables using Power Query. Master techniques such as extracting sorted unique lists, creating crossjoins of dates and products, grouping data for monthly totals, and implementing custom columns. Discover the differences between sorting in Power Query and Excel, and understand the importance of the Table.Buffer function. By the end of this video, you'll be able to create dynamic MAT calculations that update automatically with new data, enhancing your data analysis capabilities in Power BI.