Frequencies for first 10,000 rows of wt_cod variable in demo2012q1 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
     weight |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,152       71.52       71.52
         KG |      2,796       27.96       99.48
        LBS |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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