Frequencies for first 10,000 rows of prov3310 variable in pos1998 dataset : srv: | nursing-ons | ite-non | residents | Freq. Percent Cum. ------------+----------------------------------- | 7,422 74.22 74.22 N | 2,505 25.05 99.27 Y | 73 0.73 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016