Frequencies for first 10,000 rows of hosp_qual variable in psfinp201404 dataset : Hospital | Quality | Indicator | Freq. Percent Cum. ------------+----------------------------------- | 4,368 43.68 43.68 1 | 5,632 56.32 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Feb 2018