Frequencies for first 10,000 rows of otherphy variable in nhamcsed1997 dataset : other | physician | seen | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,490 94.90 94.90 1 | 510 5.10 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016