Frequencies for first 10,000 rows of rx8v1c2 variable in namcs2008 dataset :

   for rx8, |
 level 1 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,880       98.80       98.80
        040 |         24        0.24       99.04
        057 |         15        0.15       99.19
        081 |         34        0.34       99.53
        097 |          5        0.05       99.58
        105 |          5        0.05       99.63
        115 |          6        0.06       99.69
        122 |          8        0.08       99.77
        242 |          3        0.03       99.80
        254 |          2        0.02       99.82
        358 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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