Frequencies for first 10,000 rows of wt_cod variable in demo2017q2 dataset : Unit | abbreviatio | n for | patient's | weight | Freq. Percent Cum. ------------+----------------------------------- | 7,391 73.91 73.91 KG | 2,609 26.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 Feb 2018