Frequencies for first 10,000 rows of prov3315 variable in pos2001 dataset : srv: | nursing-off | site-reside | nts | Freq. Percent Cum. ------------+----------------------------------- | 7,345 73.45 73.45 N | 2,527 25.27 98.72 Y | 128 1.28 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016