Frequencies for first 10,000 rows of rx6v1c1 variable in namcs2010 dataset :

   for rx6, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,469       84.69       84.69
        001 |         47        0.47       85.16
        020 |          8        0.08       85.24
        040 |        272        2.72       87.96
        057 |        320        3.20       91.16
        081 |         30        0.30       91.46
        087 |        114        1.14       92.60
        097 |         53        0.53       93.13
        105 |         14        0.14       93.27
        113 |         16        0.16       93.43
        115 |        149        1.49       94.92
        122 |        109        1.09       96.01
        133 |         75        0.75       96.76
        218 |         29        0.29       97.05
        242 |         65        0.65       97.70
        254 |         44        0.44       98.14
        358 |        183        1.83       99.97
        365 |          1        0.01       99.98
        899 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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