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

  Was blood |
   pressure |
     taken? |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      4,088       40.88       40.88
        Yes |      5,912       59.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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