Frequencies for first 10,000 rows of prov1550 variable in pos2006 dataset : regional | override #2 | (staffing) | Freq. Percent Cum. ------------+----------------------------------- | 8,670 86.70 86.70 Y | 1,330 13.30 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016