Frequencies for first 10,000 rows of otherstd variable in nhamcsed1999 dataset : other std | test | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,905 99.05 99.05 1 | 95 0.95 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016