Frequencies for first 10,000 rows of prov2145 variable in pos1991 dataset : spec: foot | Freq. Percent Cum. ------------+----------------------------------- | 9,683 96.83 96.83 N | 177 1.77 98.60 Y | 140 1.40 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016