Frequencies for first 10,000 rows of rx5v3c2 variable in nhamcsopd2010 dataset :

   for rx5, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,807       98.07       98.07
        174 |          2        0.02       98.09
        180 |          2        0.02       98.11
        185 |          2        0.02       98.13
        196 |          3        0.03       98.16
        198 |         20        0.20       98.36
        201 |          1        0.01       98.37
        203 |         30        0.30       98.67
        209 |          1        0.01       98.68
        210 |          4        0.04       98.72
        211 |         82        0.82       99.54
        238 |          4        0.04       99.58
        239 |          5        0.05       99.63
        276 |          1        0.01       99.64
        279 |          1        0.01       99.65
        301 |          1        0.01       99.66
        317 |          2        0.02       99.68
        330 |          1        0.01       99.69
        385 |         12        0.12       99.81
        386 |          3        0.03       99.84
        388 |          8        0.08       99.92
        389 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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