Frequencies for first 10,000 rows of prov3305 variable in pos1998 dataset : srv: | nursing-ons | ite-residen | ts | Freq. Percent Cum. ------------+----------------------------------- | 7,422 74.22 74.22 N | 7 0.07 74.29 Y | 2,571 25.71 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016