Frequencies for first 10,000 rows of prov3435 variable in pos1998 dataset : srv: | dental-offs | ite-residen | ts | Freq. Percent Cum. ------------+----------------------------------- | 7,422 74.22 74.22 N | 1,851 18.51 92.73 Y | 727 7.27 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016