Frequencies for first 10,000 rows of wt_cod variable in demo2015q4 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
     weight |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,644       66.44       66.44
         KG |      3,356       33.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 6 Apr 2017