Frequencies for first 10,000 rows of rx2v1c1 variable in nhamcsed2011 dataset :

   For RX2, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,805       48.05       48.05
        001 |        753        7.53       55.58
        020 |          3        0.03       55.61
        040 |        211        2.11       57.72
        057 |      2,561       25.61       83.33
        081 |         46        0.46       83.79
        087 |        270        2.70       86.49
        097 |        183        1.83       88.32
        105 |        113        1.13       89.45
        113 |         22        0.22       89.67
        115 |        256        2.56       92.23
        122 |        336        3.36       95.59
        133 |        195        1.95       97.54
        218 |          4        0.04       97.58
        242 |         93        0.93       98.51
        254 |         78        0.78       99.29
        331 |          5        0.05       99.34
        358 |         54        0.54       99.88
        365 |         11        0.11       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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