Frequencies for first 10,000 rows of prov3310 variable in pos1999 dataset : srv: | nursing-ons | ite-non | residents | Freq. Percent Cum. ------------+----------------------------------- | 7,387 73.87 73.87 N | 2,534 25.34 99.21 Y | 79 0.79 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016