Frequencies for first 10,000 rows of prov1705 variable in pos1995 dataset : psychiatric | unit | termination | code | Freq. Percent Cum. ------------+----------------------------------- | 9,777 97.77 97.77 0 | 169 1.69 99.46 1 | 25 0.25 99.71 2 | 1 0.01 99.72 5 | 3 0.03 99.75 7 | 25 0.25 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016