Frequencies for first 10,000 rows of rx8v2c3 variable in namcs2010 dataset :

   for rx8, |
 level 2 of |
multum drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,985       99.85       99.85
        064 |          7        0.07       99.92
        065 |          3        0.03       99.95
        101 |          1        0.01       99.96
        270 |          3        0.03       99.99
        433 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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