Frequencies for first 10,000 rows of psych_unit_sw variable in pos2011 dataset : Psychiatric | Unit Switch | Freq. Percent Cum. ------------+----------------------------------- | 9,389 93.89 93.89 N | 298 2.98 96.87 Y | 313 3.13 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Apr 2019