Frequencies for first 10,000 rows of gpmed2 variable in nhamcsed2009 dataset :

med 2 given |
in ed or rx |
         at |
  discharge |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |         96        0.96        0.96
         -7 |      4,938       49.38       50.34
          1 |      2,697       26.97       77.31
          2 |      1,823       18.23       95.54
          3 |        446        4.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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