Frequencies for first 10,000 rows of rx6v1c1 variable in namcs2011 dataset :

   For RX6, |
 level 1 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,249       82.49       82.49
        001 |         38        0.38       82.87
        020 |          9        0.09       82.96
        028 |          1        0.01       82.97
        040 |        301        3.01       85.98
        057 |        330        3.30       89.28
        081 |         23        0.23       89.51
        087 |        124        1.24       90.75
        097 |         79        0.79       91.54
        105 |         23        0.23       91.77
        113 |         20        0.20       91.97
        115 |        135        1.35       93.32
        122 |        123        1.23       94.55
        133 |         89        0.89       95.44
        218 |         43        0.43       95.87
        242 |         98        0.98       96.85
        254 |         73        0.73       97.58
        331 |          1        0.01       97.59
        358 |        236        2.36       99.95
        365 |          3        0.03       99.98
        899 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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