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

       Does |
    patient |
      have: |
Cerebrovasc |
       ular |
disease/His |
    tory of |
     stroke |
   (CVA) or |
  transient |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,698       96.98       96.98
        Yes |        302        3.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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