Frequencies for first 10,000 rows of eprolsto variable in nhamcsopd2008 dataset :

  if yes, does |
  this include |
       patient |
problem lists? |      Freq.     Percent        Cum.
---------------+-----------------------------------
         blank |        309        3.09        3.09
       unknown |        237        2.37        5.46
not applicable |      1,389       13.89       19.35
           yes |      3,844       38.44       57.79
            no |      4,221       42.21      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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