Frequencies for first 10,000 rows of rx4cat2 variable in nhamcsed2010 dataset :

   For RX4, |
MULTUM drug |
category #2 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,603       96.03       96.03
        012 |         19        0.19       96.22
        015 |         18        0.18       96.40
        053 |         17        0.17       96.57
        054 |          4        0.04       96.61
        117 |          9        0.09       96.70
        123 |         40        0.40       97.10
        124 |          3        0.03       97.13
        129 |         76        0.76       97.89
        132 |          2        0.02       97.91
        146 |          2        0.02       97.93
        180 |          5        0.05       97.98
        192 |          1        0.01       97.99
        196 |         57        0.57       98.56
        198 |         37        0.37       98.93
        201 |          1        0.01       98.94
        203 |         11        0.11       99.05
        210 |         12        0.12       99.17
        211 |         17        0.17       99.34
        239 |         12        0.12       99.46
        268 |          2        0.02       99.48
        292 |          2        0.02       99.50
        297 |          2        0.02       99.52
        303 |          1        0.01       99.53
        340 |          2        0.02       99.55
        385 |         30        0.30       99.85
        388 |          9        0.09       99.94
        389 |          4        0.04       99.98
        407 |          1        0.01       99.99
        433 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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