# Data on the existence of capital punishment system in U.S.states
# D1: Existence of capital punishment,�@D1=1: existence, D2=0: non-existence		
# T : median length of stay in prison for murderer released from prison		
# Y : median of household income		
# NW: proportion of non-Caucasian people		
D1	T	Y	NW
1	47	1.1	0.321
1	58	0.92	0.224
1	82	1.72	0.127
1	100	2.18	0.063
1	222	1.75	0.021
1	164	2.26	0.027
1	161	2.07	0.139
1	70	1.43	0.218
1	219	1.92	0.008
0	81	1.82	0.012
1	209	2.34	0.076
1	182	2.12	0.299
1	185	1.81	0.04
1	104	1.35	0.069
1	126	1.26	0.33
1	192	2.07	0.017
1	95	2.04	0.166
0	245	1.55	0.003
0	97	1.89	0.01
1	177	1.68	0.076
1	125	0.76	0.454
0	56	1.96	0.032
1	85	1.29	0.266
1	199	1.81	0.018
0	298	1.72	0.038
1	145	2.39	0.067
1	78	1.68	0.075
1	144	2.29	0.064
1	178	2.34	0.065
1	146	2.21	0.065
1	132	1.42	0.09
1	98	1.97	0.016
1	120	2.12	0.061
0	148	1.9	0.019
1	123	1.15	0.389
1	282	1.7	0.037
1	79	1.24	0.161
1	34	1.55	0.127
0	104	2.04	0.017
1	91	1.59	0.222
1	199	2.07	0.026
0	101	2	0.012
1	109	1.84	0.057
0	117	2.04	0.022