Frequencies for first 10,000 rows of rx5cat2 variable in nhamcsed2009 dataset :

   for rx5, |
multum drug |
category #2 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,823       98.23       98.23
        012 |          8        0.08       98.31
        015 |          9        0.09       98.40
        053 |          7        0.07       98.47
        054 |          1        0.01       98.48
        102 |          1        0.01       98.49
        117 |          8        0.08       98.57
        123 |         14        0.14       98.71
        124 |          2        0.02       98.73
        129 |         34        0.34       99.07
        180 |          2        0.02       99.09
        196 |         27        0.27       99.36
        198 |         18        0.18       99.54
        203 |          7        0.07       99.61
        210 |          7        0.07       99.68
        211 |          7        0.07       99.75
        239 |          4        0.04       99.79
        268 |          1        0.01       99.80
        340 |          1        0.01       99.81
        385 |          9        0.09       99.90
        388 |          5        0.05       99.95
        389 |          3        0.03       99.98
        417 |          1        0.01       99.99
        423 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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