To count unique dates and ignore time values you can use a formula based on the UNIQUE, INT, and COUNT functions. In the example shown, the formula in F4 is: =COUNT(UNIQUE(INT(data))) where data is the named range B5:B16, and each timestamp includes …Read more
The Excel GROUPBY function is designed to summarize data by grouping rows and aggregating values. The result is a summary table created with a single formula.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
Learn Excel with high quality video training. Our videos are quick, clean, and to the point, so you can learn Excel in less time, and easily review key topics when needed.
