Frequencies for first 10,000 rows of rf_cesar variable in natl2011 dataset : Previous | Cesarean | Deliveries | RFP | 593=f_rf_nc | esar R | Freq. Percent Cum. ------------+----------------------------------- | 10,000 100.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015