In this example, the goal is to generate a list of random numbers without duplicates. This involves jumping through a few hoops because although the RANDARRAY function can easily generate a list of random integers, there is no guarantee that the numbers will be unique. In the explanation below,...Read more
The Excel VLOOKUP function scans the first column in a table, finds a match, and returns a result from the same row. If VLOOKUP can't find a match, it returns a #N/A error or an "approximate match", depending on how it is configured. Because VLOOKUP is easy to use and has been in Excel for...Read more
Excel's random functions like RAND and RANDARRAY recalculate every time you edit your worksheet, making it impossible to maintain stable random results. This article shows you how to build a seeded random number generator using Excel's LAMBDA function, allowing you to generate reproducible...Read more
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