Frequencies for first 10,000 rows of rx6cat3 variable in namcs2010 dataset :

   for rx6, |
multum drug |
category #3 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,982       99.82       99.82
        197 |          4        0.04       99.86
        203 |          7        0.07       99.93
        265 |          1        0.01       99.94
        270 |          3        0.03       99.97
        433 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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