Frequencies for first 10,000 rows of diagscrn variable in nhamcsed2000 dataset :

       were |
diagnostic/ |
screen serv |
ordered/pro |
     vided? |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |        782        7.82        7.82
        Yes |      9,039       90.39       98.21
  No answer |        179        1.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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