Frequencies for first 10,000 rows of dept variable in nhamcsopd2001 dataset :

   hospital |
  dept code |
(constant=1 |
 for namcs) |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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