Preparing SQL Data for R Visualizations Using Power Query Pivot
Jan 11,
2019
The Data Frame The fundamental data structure used by the majority of R functions and packages is the data frame. In a data frame, sets of related values constitute rows, while an individual column vector in a data frame contains comparable measures that can be summed, averaged, or subjected to any number of numerical manipulations. […]
Introduction to M, the Power Query Formula Language
Jan 18,
2018
Its name is Power Query Formula Language. But if you call it that, no one will know what you are talking about. The original informal language name M seems to have stuck, and even the Microsoft documentation refers to M. Every time you create a query in Power Query, whether in Excel or Power BI, […]