One of the join kinds available in the Merge dialog box in Power Query is a left anti join, which brings in only rows from the left table that don't have any matching rows from the right table. More ...
Abstract: This tutorial explores the class of non-parametric time series basis decomposition methods particularly suited for nonstationary time series known as Empirical Mode Decomposition (EMD). In ...
Fuzzy merge is a smart data preparation feature you can use to apply fuzzy matching algorithms when comparing columns. These algorithms try to find matches across the tables that are being merged.