Frequencies for first 10,000 rows of otherlb variable in natl2001 dataset : Other | Complicatio | n of Labor | and/or | Delivery | Freq. Percent Cum. ------------+----------------------------------- 1 | 1,766 17.66 17.66 2 | 8,232 82.32 99.98 8 | 1 0.01 99.99 9 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015