Frequencies for first 10,000 rows of wt_cod variable in demo2015q1 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
     weight |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,198       61.98       61.98
         KG |      3,783       37.83       99.81
        LBS |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 6 Apr 2017