Frequencies for first 10,000 rows of htn variable in nhamcsopd2011 dataset :

       Does |
patient now |
     have - |
Hypertensio |
          n |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      7,380       73.80       73.80
        Yes |      2,620       26.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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