Frequencies for first 10,000 rows of rx2v2c3 variable in namcs2008 dataset :

   for rx2, |
 level 2 of |
multum drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,935       99.35       99.35
        064 |         39        0.39       99.74
        065 |         18        0.18       99.92
        101 |          2        0.02       99.94
        113 |          1        0.01       99.95
        270 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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