Frequencies for first 10,000 rows of rx7v2c3 variable in namcs2010 dataset :

   for rx7, |
 level 2 of |
multum drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,982       99.82       99.82
        064 |         12        0.12       99.94
        065 |          2        0.02       99.96
        270 |          1        0.01       99.97
        433 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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