Frequencies for first 10,000 rows of ssirat variable in psfhos201404 dataset : Supplementa | l Security | Income | (SSI) Ratio | Freq. Percent Cum. ------------+----------------------------------- 0 | 10,000 100.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Feb 2018