Frequencies for first 10,000 rows of rx1v1c1 variable in namcs2006 dataset :

   for rx1, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,436       24.36       24.36
        001 |      1,308       13.08       37.44
        020 |         39        0.39       37.83
        028 |          3        0.03       37.86
        040 |        973        9.73       47.59
        057 |      1,496       14.96       62.55
        081 |         71        0.71       63.26
        087 |        333        3.33       66.59
        097 |        422        4.22       70.81
        105 |        190        1.90       72.71
        115 |        222        2.22       74.93
        122 |        711        7.11       82.04
        133 |        419        4.19       86.23
        218 |         19        0.19       86.42
        242 |        361        3.61       90.03
        254 |        431        4.31       94.34
        331 |          2        0.02       94.36
        358 |        554        5.54       99.90
        899 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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