Frequencies for first 10,000 rows of prov3455 variable in pos1998 dataset : srv: mental | health-onsi | te-resid | Freq. Percent Cum. ------------+----------------------------------- | 7,422 74.22 74.22 N | 1,132 11.32 85.54 Y | 1,446 14.46 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016