Frequencies for first 10,000 rows of prov0735 variable in pos1999 dataset : technologis | ts - assoc | degree | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,983 99.83 99.83 1 | 5 0.05 99.88 1.5 | 2 0.02 99.90 2 | 7 0.07 99.97 3 | 1 0.01 99.98 7 | 1 0.01 99.99 12 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016