对位分组
A
1 =demo.query("select EID, NAME+?+SURNAME as FULLNAME, GENDER, STATE, BIRTHDAY, SALARY from EMPLOYEE"," ")
2 [New York,Texas,California]
3
=A1.align@a(A2, STATE)
4
=A3.new(A2(#):State,~.count():Count)

A3中分组结果如下,每个分组均为序列,可双击查看:

A4中的统计结果如下: