http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Software/Enzmann_Software.html

  Median:
SPSS-macro for calculating the median and quartiles of a variable (optionally for all values of a break variable) according to one of six different methods.
Median.sps ( description ) ( download )

这个宏可以