Frequencies for first 10,000 rows of rx6v1c1 variable in nhamcsed2008 dataset :

   for rx6, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,548       95.48       95.48
        001 |         47        0.47       95.95
        040 |         40        0.40       96.35
        057 |        160        1.60       97.95
        081 |          7        0.07       98.02
        087 |         48        0.48       98.50
        097 |         26        0.26       98.76
        105 |         16        0.16       98.92
        115 |         34        0.34       99.26
        122 |         32        0.32       99.58
        133 |          9        0.09       99.67
        218 |          1        0.01       99.68
        242 |         10        0.10       99.78
        254 |          7        0.07       99.85
        358 |         13        0.13       99.98
        365 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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