Frequencies for first 10,000 rows of rx8v1c2 variable in nhamcsed2013 dataset :

   For RX8, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,962       99.62       99.62
        001 |          2        0.02       99.64
        040 |          8        0.08       99.72
        057 |          9        0.09       99.81
        081 |          1        0.01       99.82
        087 |          1        0.01       99.83
        105 |          1        0.01       99.84
        122 |         15        0.15       99.99
        242 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016