Frequencies for first 10,000 rows of rx3v1c1 variable in namcs2009 dataset :

   for rx3, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,992       59.92       59.92
        001 |        186        1.86       61.78
        020 |         15        0.15       61.93
        028 |          5        0.05       61.98
        040 |        742        7.42       69.40
        057 |        763        7.63       77.03
        081 |         62        0.62       77.65
        087 |        214        2.14       79.79
        097 |        176        1.76       81.55
        105 |         65        0.65       82.20
        113 |         33        0.33       82.53
        115 |        222        2.22       84.75
        122 |        355        3.55       88.30
        133 |        227        2.27       90.57
        218 |         63        0.63       91.20
        242 |        199        1.99       93.19
        254 |        196        1.96       95.15
        358 |        483        4.83       99.98
        365 |          1        0.01       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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