Frequencies for first 10,000 rows of rx4v1c1 variable in namcs2014 dataset :

   For RX4, |
 level 1 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,496       64.96       64.96
        001 |        128        1.28       66.24
        020 |         23        0.23       66.47
        028 |          2        0.02       66.49
        040 |        579        5.79       72.28
        057 |        657        6.57       78.85
        081 |         50        0.50       79.35
        087 |        235        2.35       81.70
        097 |        172        1.72       83.42
        105 |         59        0.59       84.01
        113 |         31        0.31       84.32
        115 |        321        3.21       87.53
        122 |        195        1.95       89.48
        133 |        223        2.23       91.71
        218 |         91        0.91       92.62
        242 |        226        2.26       94.88
        254 |        115        1.15       96.03
        331 |          1        0.01       96.04
        358 |        390        3.90       99.94
        365 |          4        0.04       99.98
        899 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017