Frequencies for first 10,000 rows of ssirat variable in psfhos dataset :

Supplementa |
 l Security |
     Income |
(SSI) Ratio |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 24 Sep 2018