Frequencies for first 10,000 rows of rx7v1c1 variable in nhamcsed2013 dataset :

   For RX7, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,562       95.62       95.62
        001 |         54        0.54       96.16
        020 |          1        0.01       96.17
        040 |         38        0.38       96.55
        057 |        154        1.54       98.09
        081 |          8        0.08       98.17
        087 |         41        0.41       98.58
        097 |          9        0.09       98.67
        105 |         13        0.13       98.80
        113 |          2        0.02       98.82
        115 |         49        0.49       99.31
        122 |         18        0.18       99.49
        133 |         12        0.12       99.61
        242 |         13        0.13       99.74
        254 |          2        0.02       99.76
        331 |          6        0.06       99.82
        358 |         16        0.16       99.98
        365 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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