Frequencies for first 10,000 rows of rx3v1c1 variable in nhamcsed2007 dataset :

   for rx3, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,979       69.79       69.79
        001 |        448        4.48       74.27
        020 |          3        0.03       74.30
        040 |        235        2.35       76.65
        057 |      1,284       12.84       89.49
        081 |         35        0.35       89.84
        087 |        181        1.81       91.65
        097 |        117        1.17       92.82
        105 |         59        0.59       93.41
        115 |        178        1.78       95.19
        122 |        245        2.45       97.64
        133 |         84        0.84       98.48
        218 |          1        0.01       98.49
        242 |         47        0.47       98.96
        254 |         43        0.43       99.39
        331 |          1        0.01       99.40
        358 |         50        0.50       99.90
        365 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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