Frequencies for first 10,000 rows of asthma variable in nhamcsed2015 dataset :

       Does |
    patient |
      have: |
     Asthma |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      8,874       88.74       88.74
        Yes |      1,126       11.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017