Frequencies for first 10,000 rows of asthma variable in namcs2012 dataset :

       Does |
    patient |
  now have: |
     Asthma |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,363       93.63       93.63
        Yes |        637        6.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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