Frequencies for first 10,000 rows of cifsn variable in sf12000860us31 dataset : Characteris | tic | Iteration | File | Sequence | Number | Freq. Percent Cum. ------------+----------------------------------- 31 | 10,000 100.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017