Frequencies for first 10,000 rows of rx7v1c2 variable in nhamcsopd2011 dataset :

   For RX7, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,856       98.56       98.56
        001 |          3        0.03       98.59
        040 |         28        0.28       98.87
        057 |         19        0.19       99.06
        081 |         33        0.33       99.39
        097 |          7        0.07       99.46
        105 |          6        0.06       99.52
        115 |          5        0.05       99.57
        122 |         16        0.16       99.73
        133 |          3        0.03       99.76
        218 |          9        0.09       99.85
        242 |          3        0.03       99.88
        254 |          1        0.01       99.89
        358 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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