Frequencies for first 10,000 rows of prov0835 variable in pos1993 dataset : lab | directors - | grandfather | ed | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,820 98.20 98.20 1 | 141 1.41 99.61 2 | 29 0.29 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