Frequencies for first 10,000 rows of rnlpn variable in namcs2014 dataset : Registered | nurse/LPN | seen | Freq. Percent Cum. ------------+----------------------------------- No | 8,512 85.12 85.12 Yes | 1,488 14.88 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017