Frequencies for first 10,000 rows of uca_hernia variable in natl2014 dataset :

Diaphragmat |
ic Hernia 1 |
    Anomaly |
   reported |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Jun 2016