Frequencies for first 10,000 rows of diagscrn variable in nhamcsopd2003 dataset :

  were diagnostic |
 services ordered |
     or provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               no |      1,327       13.27       13.27
              yes |      8,589       85.89       99.16
entire item blank |         84        0.84      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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