Frequencies for first 10,000 rows of rx2v1c1 variable in nhamcsed2010 dataset :

   For RX2, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,542       45.42       45.42
        001 |        787        7.87       53.29
        020 |          2        0.02       53.31
        040 |        209        2.09       55.40
        057 |      2,727       27.27       82.67
        081 |         42        0.42       83.09
        087 |        291        2.91       86.00
        097 |        185        1.85       87.85
        105 |        103        1.03       88.88
        113 |         32        0.32       89.20
        115 |        252        2.52       91.72
        122 |        427        4.27       95.99
        133 |        176        1.76       97.75
        153 |          1        0.01       97.76
        218 |          2        0.02       97.78
        242 |         62        0.62       98.40
        254 |         63        0.63       99.03
        331 |         18        0.18       99.21
        358 |         63        0.63       99.84
        365 |         15        0.15       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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