Frequencies for first 10,000 rows of rx4v1c1 variable in namcs2015 dataset :

   For RX4, |
 level 1 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,800       68.00       68.00
        001 |        162        1.62       69.62
        020 |         20        0.20       69.82
        040 |        568        5.68       75.50
        057 |        542        5.42       80.92
        081 |         53        0.53       81.45
        087 |        202        2.02       83.47
        097 |        159        1.59       85.06
        105 |         43        0.43       85.49
        113 |         27        0.27       85.76
        115 |        354        3.54       89.30
        122 |        151        1.51       90.81
        133 |        286        2.86       93.67
        218 |         93        0.93       94.60
        242 |        152        1.52       96.12
        254 |         72        0.72       96.84
        331 |          2        0.02       96.86
        358 |        309        3.09       99.95
        899 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017