Frequencies for first 10,000 rows of prov3315 variable in pos2004 dataset : srv: | nursing-off | site-reside | nts | Freq. Percent Cum. ------------+----------------------------------- | 7,489 74.89 74.89 N | 2,380 23.80 98.69 Y | 131 1.31 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016