Frequencies for first 10,000 rows of prov3455 variable in pos2008 dataset : srv: mental | health-onsi | te-resid | Freq. Percent Cum. ------------+----------------------------------- | 7,661 76.61 76.61 N | 1,065 10.65 87.26 Y | 1,274 12.74 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016