Frequencies for first 10,000 rows of newmed4 variable in nhamcsopd1992 dataset :

         Is |
 medication |
 #4 new for |
        the |
   patient? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,270       92.70       92.70
          1 |        162        1.62       94.32
          2 |        568        5.68      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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