Frequencies for first 10,000 rows of otherstd variable in nhamcsed1997 dataset : other std | test | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,847 98.47 98.47 1 | 153 1.53 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016