Frequencies for first 10,000 rows of uca_hernia variable in natlterr2010 dataset : Diaphragmat | ic Hernia | RFP | 769=f_uca_h | ernia U;R | Freq. Percent Cum. ------------+----------------------------------- 2 | 7,734 77.34 77.34 9 | 2,266 22.66 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015