Frequencies for first 10,000 rows of rx3v1c1 variable in namcs2006 dataset :

   for rx3, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,573       65.73       65.73
        001 |        145        1.45       67.18
        020 |         14        0.14       67.32
        040 |        631        6.31       73.63
        057 |        615        6.15       79.78
        081 |         50        0.50       80.28
        087 |        200        2.00       82.28
        097 |        193        1.93       84.21
        105 |         77        0.77       84.98
        115 |        172        1.72       86.70
        122 |        400        4.00       90.70
        133 |        166        1.66       92.36
        218 |         24        0.24       92.60
        242 |        152        1.52       94.12
        254 |        180        1.80       95.92
        331 |          1        0.01       95.93
        358 |        404        4.04       99.97
        899 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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