Frequencies for first 10,000 rows of rx8v1c2 variable in nhamcsopd2011 dataset :

   For RX8, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,881       98.81       98.81
        001 |          5        0.05       98.86
        020 |          1        0.01       98.87
        040 |         21        0.21       99.08
        057 |         22        0.22       99.30
        081 |         29        0.29       99.59
        097 |          2        0.02       99.61
        105 |          8        0.08       99.69
        115 |          2        0.02       99.71
        122 |         11        0.11       99.82
        133 |          2        0.02       99.84
        218 |          6        0.06       99.90
        242 |          3        0.03       99.93
        254 |          1        0.01       99.94
        358 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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