Frequencies for first 10,000 rows of rx7cat2 variable in nhamcsed2008 dataset :

   for rx7, |
multum drug |
category #2 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,939       99.39       99.39
        012 |          4        0.04       99.43
        015 |          3        0.03       99.46
        053 |          7        0.07       99.53
        117 |          1        0.01       99.54
        123 |          5        0.05       99.59
        127 |          1        0.01       99.60
        129 |          4        0.04       99.64
        180 |          1        0.01       99.65
        196 |          9        0.09       99.74
        198 |          6        0.06       99.80
        203 |          2        0.02       99.82
        210 |          1        0.01       99.83
        211 |          9        0.09       99.92
        320 |          1        0.01       99.93
        340 |          1        0.01       99.94
        385 |          4        0.04       99.98
        389 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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