Frequencies for first 10,000 rows of rx2v1c1 variable in namcs2007 dataset :

   for rx2, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,852       48.52       48.52
        001 |        388        3.88       52.40
        020 |         27        0.27       52.67
        040 |        745        7.45       60.12
        057 |      1,027       10.27       70.39
        081 |         62        0.62       71.01
        087 |        245        2.45       73.46
        097 |        269        2.69       76.15
        105 |        138        1.38       77.53
        115 |        163        1.63       79.16
        122 |        643        6.43       85.59
        133 |        299        2.99       88.58
        218 |         29        0.29       88.87
        242 |        271        2.71       91.58
        254 |        354        3.54       95.12
        331 |          1        0.01       95.13
        358 |        481        4.81       99.94
        365 |          2        0.02       99.96
        899 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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