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

 Congenital |
Diaphragmat |
ic Hernia Y |
        Yes |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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