Frequencies for first 10,000 rows of rnlpn variable in nhamcsed2013 dataset : Registered | nurse/LPN | seen | Freq. Percent Cum. ------------+----------------------------------- No | 580 5.80 5.80 Yes | 9,420 94.20 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 7 Nov 2016