Frequencies for first 10,000 rows of wt_cod variable in demo2010q3 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
     weight |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,913       69.13       69.13
         KG |      2,923       29.23       98.36
        LBS |        164        1.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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