Frequencies for first 10,000 rows of wt_cod variable in demo2008q2 dataset : Unit | abbreviatio | n for | patient's | weight | Freq. Percent Cum. ------------+----------------------------------- | 6,446 64.46 64.46 KG | 2,742 27.42 91.88 LBS | 812 8.12 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Dec 2015