Frequencies for first 10,000 rows of rehab_unit_sw variable in pos2016 dataset : Rehabilitat | ion Unit | Indicator | Freq. Percent Cum. ------------+----------------------------------- | 8,479 84.79 84.79 N | 1,305 13.05 97.84 Y | 216 2.16 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 10 Jan 2017