Frequencies for first 10,000 rows of prov3455 variable in pos2004 dataset : srv: mental | health-onsi | te-resid | Freq. Percent Cum. ------------+----------------------------------- | 7,489 74.89 74.89 N | 1,094 10.94 85.83 Y | 1,417 14.17 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016