Frequencies for first 10,000 rows of prov3315 variable in pos2002 dataset : srv: | nursing-off | site-reside | nts | Freq. Percent Cum. ------------+----------------------------------- | 7,326 73.26 73.26 N | 2,541 25.41 98.67 Y | 133 1.33 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016