Frequencies for first 10,000 rows of wt_cod variable in demo2013q1 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
     weight |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,108       61.08       61.08
         KG |      3,809       38.09       99.17
        LBS |         83        0.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Apr 2017