Frequencies for first 10,000 rows of rx7cat2 variable in nhamcsed2007 dataset :

   for rx7, |
multum drug |
category #2 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,955       99.55       99.55
        053 |          3        0.03       99.58
        109 |          1        0.01       99.59
        117 |          3        0.03       99.62
        123 |          4        0.04       99.66
        129 |          6        0.06       99.72
        180 |          1        0.01       99.73
        196 |          3        0.03       99.76
        198 |          5        0.05       99.81
        203 |          3        0.03       99.84
        210 |          2        0.02       99.86
        211 |          9        0.09       99.95
        239 |          1        0.01       99.96
        268 |          2        0.02       99.98
        320 |          1        0.01       99.99
        340 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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