Frequencies for first 10,000 rows of rx2v1c2 variable in nhamcsed2010 dataset :

   For RX2, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,949       89.49       89.49
        001 |        130        1.30       90.79
        040 |        150        1.50       92.29
        057 |        322        3.22       95.51
        081 |         71        0.71       96.22
        097 |         10        0.10       96.32
        105 |         17        0.17       96.49
        113 |          1        0.01       96.50
        115 |          8        0.08       96.58
        122 |        290        2.90       99.48
        133 |         18        0.18       99.66
        218 |          3        0.03       99.69
        242 |         30        0.30       99.99
        358 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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