Frequencies for first 10,000 rows of rx3v1c2 variable in namcs2007 dataset :

   for rx3, |
 level 1 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,665       96.65       96.65
        001 |         11        0.11       96.76
        040 |         20        0.20       96.96
        057 |         66        0.66       97.62
        081 |        103        1.03       98.65
        087 |          2        0.02       98.67
        097 |         31        0.31       98.98
        105 |         40        0.40       99.38
        115 |          4        0.04       99.42
        122 |         24        0.24       99.66
        133 |          5        0.05       99.71
        242 |          4        0.04       99.75
        331 |          1        0.01       99.76
        358 |         24        0.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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