各位高手,有一段程序出不来结果,请教哪里有问题。谢谢!
data v;
input id fn$ ln$ hired$;
informat hired$ date9.;
cards;
403 BOWDEN EARL 24DEC79
1121 HERNANDEZ MICHAEL 24DEC79
1412 MURPHEY JOHN 08DEC79
;
run;
proc print data=v;
run;
data s;
set v;
Years=intck('year',hired,today());
run;
proc print data=s;
run;
| 结果years missing.The SAS System |
ObsidfnlnhiredYears
1403BOWDENEARL24DEC79.
21121HERNANDEMICHAEL24DEC79.
31412MURPHEYJOHN08DEC79.