Frequencies for first 10,000 rows of oriented variable in nhamcsed2004 dataset : oriented x | 3 | Freq. Percent Cum. ------------+----------------------------------- blank | 888 8.88 8.88 yes | 7,651 76.51 85.39 no | 280 2.80 88.19 unknown | 1,181 11.81 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016