To summarize granular weather station data by day, you can use the GROUPBY function together with a few helper functions. In the worksheet shown, the source data is in an Excel Table named data on the data sheet, with one reading every 15 minutes for …Read more
The Excel LET function lets you define named variables in a formula. There are two primary reasons you might want to do this: (1) to improve performance by eliminating redundant calculations and (2) to make more complex formulas easier to read and write.Read more
Combinations and permutations are two basic ways to count possibilities, used in probability, statistics, games, passwords, and lotteries. This article explains the difference between them, when order and repetition matter, and the Excel functions you can use to calculate each case: FACT, PERMUT, …Read more
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