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9.6 Count number of repetitions of row-based data - by whole row
Here below is a personnel data table:
To count the number of duplicate whole-row data, calculate in the cell E1:
| A | |
|---|---|
| 1 | =E(‘A1:D7’).derive(:Num) |
| 2 | =A1.group(ID,Name,Gender,Birthday).run(a=~.len(),~.run(Num=a)) |
| 3 | return A1.new(Num) |
