7.14 Calculate proportion using aggregation information of data of the same group
Here below is an annual and quarterly sales data table:
The following code is to calculate the proportion of each quarterly sales to the total sales of the year (calculate in cell D1):
=spl("=E(?1).group(Year).((a=~.sum(Sales),~.(Sales/a))).conj().new(~:Proportion)",A1:C21)
esProc Desktop and Excel Processing
7.13 String concatenation and aggregation
7.15 Generate number in each group
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