Frequencies for first 10,000 rows of anemia variable in natl2000 dataset :

     Anemia |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        302        3.02        3.02
          2 |      9,698       96.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015