SPSS Macro Looping
SPSS macros offer the following options for looping.
Contents
Ranges
define !per_year(var = !tokens(1)
/timevar = !tokens(1)
/start = !tokens(1)
/end = !tokens(1))
!DO !y = !start !TO !end !BY 1
temporary.
select if !timevar=!y.
frequencies /variables=!var.
execute.
!DOEND
!enddefine
!per_year var=population timevar=year start=2000 end=2008.
Iteration
define !each_year(var = !tokens(1)
/timevar = !tokens(1)
/years = !cmdend)
!DO !y !IN (!years)
temporary.
select if !timevar=!y.
frequencies /variables=!var.
execute.
!DOEND
!enddefine
!each_year var=population timevar=year years=2000 2002 2008.