Frequencies for first 10,000 rows of rn variable in namcs1995 dataset :

 registered |
 nurse seen |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,828       88.28       88.28
          1 |      1,172       11.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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