In Power BI (and indeed in Power Query), M functions are the key to combining data from multiple data sources that have the same structure. For example, if you have a folder of Excel workbooks and you ...

You can test a Power Fx expression to verify it's working. This example uses the Abs() function to return the non-negative value of its argument. If a number is negative, Abs returns the positive ...

He also, very kindly sent me a code example, and allowed me to blog about it (thanks Matt!). In this post I’m going to look at a very simple example of how to do this; in part 2 I’ll show some a ...

A novel algorithm that normalizes the distribution of spectral power coefficients is described in this paper. The algorithm, called power-function-based power distribution (PPDN) is based on the ...