Frequencies for first 10,000 rows of nofu variable in namcs2002 dataset : No | follow-up | planned | Freq. Percent Cum. ------------+----------------------------------- No | 9,146 91.46 91.46 Yes | 854 8.54 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016