Frequencies for first 10,000 rows of prov1705 variable in pos1998 dataset : psychiatric | unit | termination | code | Freq. Percent Cum. ------------+----------------------------------- | 9,708 97.08 97.08 0 | 200 2.00 99.08 1 | 56 0.56 99.64 2 | 1 0.01 99.65 3 | 2 0.02 99.67 4 | 1 0.01 99.68 5 | 3 0.03 99.71 7 | 29 0.29 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016