Frequencies for first 10,000 rows of rnlpn variable in nhamcsed2011 dataset : RN/LPN seen | Freq. Percent Cum. ------------+----------------------------------- No | 1,439 14.39 14.39 Yes | 8,561 85.61 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016