Frequencies for first 10,000 rows of wt_cod variable in demo2014q2 dataset : Unit | abbreviatio | n for | patient's | weight | Freq. Percent Cum. ------------+----------------------------------- | 6,078 60.78 60.78 KG | 3,897 38.97 99.75 LBS | 25 0.25 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 6 Apr 2017