Frequencies for first 10,000 rows of drug6cl2 variable in namcs2002 dataset :

NDC code #2 |
        for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,941       99.41       99.41
       0507 |          3        0.03       99.44
       0512 |          5        0.05       99.49
       0513 |          3        0.03       99.52
       0878 |          1        0.01       99.53
       0913 |          1        0.01       99.54
       0915 |          1        0.01       99.55
       1040 |          1        0.01       99.56
       1724 |         30        0.30       99.86
       1725 |          1        0.01       99.87
       1727 |          2        0.02       99.89
       1728 |          4        0.04       99.93
       1860 |          1        0.01       99.94
       1864 |          1        0.01       99.95
       1940 |          1        0.01       99.96
       1943 |          2        0.02       99.98
       1944 |          1        0.01       99.99
       1947 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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