Frequencies for first 10,000 rows of wt_cod variable in demo2008q3 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
     weight |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,712       67.12       67.12
         KG |      2,778       27.78       94.90
        LBS |        510        5.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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