Frequencies for first 10,000 rows of prov3455 variable in pos1992 dataset : srv: mental | health-onsi | te-resid | Freq. Percent Cum. ------------+----------------------------------- | 7,366 73.66 73.66 N | 1,334 13.34 87.00 Y | 1,300 13.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016