Frequencies for first 10,000 rows of anesthe variable in natl1994 dataset :

 Anesthetic |
complicatio |
         ns |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          8        0.08        0.08
          2 |      9,953       99.53       99.61
          9 |         39        0.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015