Frequencies for first 10,000 rows of hosp_qual variable in psfsnf201404 dataset : Hospital | Quality | Indicator | Freq. Percent Cum. ------------+----------------------------------- | 9,950 99.50 99.50 1 | 50 0.50 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Feb 2018