Frequencies for first 10,000 rows of rx2v1c1 variable in nhamcsopd2011 dataset :

   For RX2, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,020       50.20       50.20
        001 |        320        3.20       53.40
        020 |         67        0.67       54.07
        028 |          4        0.04       54.11
        040 |        636        6.36       60.47
        057 |      1,091       10.91       71.38
        081 |         62        0.62       72.00
        087 |        232        2.32       74.32
        097 |        185        1.85       76.17
        105 |         99        0.99       77.16
        113 |          9        0.09       77.25
        115 |        438        4.38       81.63
        122 |        316        3.16       84.79
        133 |        315        3.15       87.94
        153 |          1        0.01       87.95
        218 |         49        0.49       88.44
        242 |        492        4.92       93.36
        254 |        227        2.27       95.63
        331 |          6        0.06       95.69
        358 |        430        4.30       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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