Frequencies for first 10,000 rows of prov3305 variable in pos1999 dataset : srv: | nursing-ons | ite-residen | ts | Freq. Percent Cum. ------------+----------------------------------- | 7,387 73.87 73.87 N | 6 0.06 73.93 Y | 2,607 26.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016