Frequencies for first 10,000 rows of wt_cod variable in demo2017q3 dataset : Unit | abbreviatio | n for | patient's | weight | Freq. Percent Cum. ------------+----------------------------------- | 6,799 67.99 67.99 KG | 3,201 32.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 Feb 2018