Frequencies for first 10,000 rows of rx4v1c1 variable in nhamcsed2015 dataset :

   For RX4, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,572       75.72       75.72
        001 |        271        2.71       78.43
        020 |          1        0.01       78.44
        028 |          1        0.01       78.45
        040 |        147        1.47       79.92
        057 |        915        9.15       89.07
        081 |         29        0.29       89.36
        087 |        188        1.88       91.24
        097 |         83        0.83       92.07
        105 |         54        0.54       92.61
        113 |         10        0.10       92.71
        115 |        277        2.77       95.48
        122 |        142        1.42       96.90
        133 |         77        0.77       97.67
        218 |          4        0.04       97.71
        242 |         61        0.61       98.32
        254 |         16        0.16       98.48
        331 |         57        0.57       99.05
        358 |         70        0.70       99.75
        365 |         23        0.23       99.98
        899 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017