Frequencies for first 10,000 rows of prov0835 variable in pos1995 dataset : lab | directors - | grandfather | ed | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,831 98.31 98.31 1 | 131 1.31 99.62 2 | 28 0.28 99.90 3 | 5 0.05 99.95 4 | 3 0.03 99.98 5 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016