Frequencies for first 10,000 rows of rx8v1c2 variable in nhamcsed2008 dataset :

   for rx8, |
 level 1 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,980       99.80       99.80
        001 |          1        0.01       99.81
        040 |          4        0.04       99.85
        057 |          6        0.06       99.91
        081 |          2        0.02       99.93
        097 |          1        0.01       99.94
        122 |          5        0.05       99.99
        242 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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