Frequencies for first 10,000 rows of rx8v3c2 variable in namcs2010 dataset :

   for rx8, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,913       99.13       99.13
        102 |          1        0.01       99.14
        174 |          3        0.03       99.17
        180 |          1        0.01       99.18
        196 |          3        0.03       99.21
        198 |          8        0.08       99.29
        203 |          5        0.05       99.34
        209 |          1        0.01       99.35
        210 |          3        0.03       99.38
        211 |         42        0.42       99.80
        238 |          2        0.02       99.82
        239 |          2        0.02       99.84
        268 |          2        0.02       99.86
        301 |          1        0.01       99.87
        385 |          1        0.01       99.88
        386 |          4        0.04       99.92
        387 |          1        0.01       99.93
        388 |          2        0.02       99.95
        389 |          3        0.03       99.98
        442 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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