Excel's PIVOTBY function allows you to group your figures without needing to recreate your data in a PivotTable. What's more, data summaries created via PIVOTBY automatically update to reflect changes ...

Excel's PIVOTBY function and PivotTables both summarize and reorganize data, allowing for detailed analysis by grouping and aggregating your figures. However, despite their similar names, the methods ...

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Although there are many functions in the base package of R, sometimes there may not be a function that does exactly what you want. In this case, R allows users to create their own functions and call ...