Frequencies for first 10,000 rows of prov1395 variable in pos1991 dataset :

technologis |
        t - |
grandfather |
         ed |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,989       99.89       99.89
          1 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016