Frequencies for first 10,000 rows of rx6cat2 variable in nhamcsed2007 dataset :

   for rx6, |
multum drug |
category #2 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,921       99.21       99.21
        012 |          2        0.02       99.23
        015 |          4        0.04       99.27
        053 |          9        0.09       99.36
        100 |          1        0.01       99.37
        109 |          6        0.06       99.43
        117 |          4        0.04       99.47
        123 |         10        0.10       99.57
        124 |          1        0.01       99.58
        129 |          8        0.08       99.66
        196 |          7        0.07       99.73
        198 |         11        0.11       99.84
        203 |          2        0.02       99.86
        210 |          1        0.01       99.87
        211 |          7        0.07       99.94
        239 |          1        0.01       99.95
        268 |          3        0.03       99.98
        289 |          1        0.01       99.99
        320 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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