Frequencies for first 10,000 rows of rx4v1c1 variable in namcs2010 dataset :

   for rx4, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,137       71.37       71.37
        001 |        120        1.20       72.57
        020 |         19        0.19       72.76
        028 |          2        0.02       72.78
        040 |        460        4.60       77.38
        057 |        522        5.22       82.60
        081 |         35        0.35       82.95
        087 |        171        1.71       84.66
        097 |        119        1.19       85.85
        105 |         31        0.31       86.16
        113 |         30        0.30       86.46
        115 |        211        2.11       88.57
        122 |        262        2.62       91.19
        133 |        114        1.14       92.33
        218 |         43        0.43       92.76
        242 |        137        1.37       94.13
        254 |        215        2.15       96.28
        331 |          1        0.01       96.29
        358 |        367        3.67       99.96
        365 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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