Frequencies for first 10,000 rows of othdiag variable in nhamcsopd2007 dataset :

      other |
diagnostic/ |
  screening |
test/servic |
          e |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      8,085       80.85       80.85
        yes |      1,915       19.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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