Frequencies for first 10,000 rows of mm_uhyst variable in natl2011 dataset : Unplanned | Hysterectom | y | 625=f_mm_uh | ystr R | Freq. Percent Cum. ------------+----------------------------------- | 10,000 100.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015