
6 respuestas

I have three group level, for example:
Erika (level A)
Ottobre (level B)
Marta (2 records) (level C)
Lucia (3 records)
I would count how many groups there are at level C, in this example the result should be 2. How can I do?


Erika (level A)
Ottobre (level B)
Marta (2 records) (level C)
Lucia (3 records)
I would count how many groups there are at level C, in this example the result should be 2. How can I do?