Microsoft Copilot is designed to assist you with various Excel tasks, including data lookup and merging. By harnessing the power of AI, Copilot simplifies complex functions like VLOOKUP and ...

INDEX with XMATCH returns an item from a range or array according to the first or last match it finds. Like XLOOKUP, it works ...

Searching for one item in a list or matrix of data (the table). Table lookups are used in countless operations to obtain a value or set of values such as retail and wholesale prices, product ...

Also get the lookup table for Reporting_Airline. Or, you can download these two data sets—plus my R code in a single file and a PowerPoint explaining different types of data merges—here: ...

This is easy to do in R, too, with named vectors. Here’s how. I’ve got data with state names and abbreviations, which I’ve stored in a data frame named postal_df.