Frequencies for first 10,000 rows of marsmsarflg variable in natl1980 dataset :

    Marital |
 Status (by |
 SMSA) flag |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,075       40.75       40.75
          1 |      5,925       59.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016