Frequencies for first 10,000 rows of asthma variable in nhamcsed2014 dataset :

       Does |
    patient |
      have: |
     Asthma |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      8,948       89.48       89.48
        Yes |      1,052       10.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017