Frequencies for first 10,000 rows of wt_cod variable in demo2009q1 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
     weight |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,768       67.68       67.68
         KG |      2,615       26.15       93.83
        LBS |        617        6.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Dec 2015