Col (Sum) function by selecting specific rows
Hello,I would like to create a column which calculates another columns mean or sum but I would like to specify the function by :Let’s say if we select the year the calculation to be occured by "Year" or, Let’s say col (sum) of NetRevenueWithoutVat by Year or "NetRevenueWithoutVat" by "Month (Stay Date)" orCol (Sum) functions of specific row numbers...Would anyone please share his/her knowledge how...
