Frequencies for first 10,000 rows of privins variable in nhamcsed1993 dataset :

   expected |
  source of |
payment-pri |
  vate/comm |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,001       70.01       70.01
          1 |      2,999       29.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016