Frequencies for first 10,000 rows of nselfpay variable in namcs2014 dataset : Type of payments | accepted from new | patients: | Self-pay | Freq. Percent Cum. ------------------+----------------------------------- Unknown | 150 1.50 1.50 Not applicable | 465 4.65 6.15 Refused to answer | 47 0.47 6.62 Yes | 8,883 88.83 95.45 No | 455 4.55 100.00 ------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017