Frequencies for first 10,000 rows of rx6v3c2 variable in nhamcsed2008 dataset :

   for rx6, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,941       99.41       99.41
        180 |          1        0.01       99.42
        196 |         12        0.12       99.54
        198 |         12        0.12       99.66
        203 |          3        0.03       99.69
        210 |          2        0.02       99.71
        211 |         11        0.11       99.82
        239 |          3        0.03       99.85
        268 |          2        0.02       99.87
        317 |          1        0.01       99.88
        385 |          7        0.07       99.95
        388 |          3        0.03       99.98
        389 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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