Frequencies for first 10,000 rows of paytyper variable in namcs2011 dataset : Type of payment (recoded from | multiple sources using | hierarchy) | Freq. Percent Cum. ---------------------------------+----------------------------------- All sources of payment are blank | 152 1.52 1.52 Unknown | 372 3.72 5.24 Private insurance | 5,328 53.28 58.52 Medicare | 1,960 19.60 78.12 Medicaid | 1,477 14.77 92.89 Worker's compensation | 61 0.61 93.50 Self-pay | 417 4.17 97.67 No charge | 71 0.71 98.38 Other | 162 1.62 100.00 ---------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016