Frequencies for first 10,000 rows of prov3355 variable in pos2002 dataset : srv: occup | ther-onsite | -non resid | Freq. Percent Cum. ------------+----------------------------------- | 7,326 73.26 73.26 N | 2,545 25.45 98.71 Y | 129 1.29 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016