Frequencies for first 10,000 rows of wt_cod variable in demo2011q2 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
     weight |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,149       71.49       71.49
         KG |      2,770       27.70       99.19
        LBS |         81        0.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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