Frequencies for first 10,000 rows of prov3600 variable in pos1992 dataset : * 670 | counter for | odie revis | survey | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,975 99.75 99.75 1 | 21 0.21 99.96 2 | 3 0.03 99.99 3 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017