Frequencies for first 10,000 rows of f_wtgain variable in natlterr2008 dataset :

Weight gain |
    (wtgain |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,608       26.08       26.08
          1 |      7,392       73.92      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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