Frequencies for first 10,000 rows of diagscrn variable in nhamcsed1996 dataset :

       were |
diagnostic/ |
screen serv |
ordered/pro |
     vided? |      Freq.     Percent        Cum.
------------+-----------------------------------
        Yes |      8,684       86.84       86.84
         No |      1,316       13.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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