Model Performance
#	Complexity	split	relative error	CV error	CV S.D.
1	0.389	0	1	1.004	0.063
2	0.07	1	0.611	0.616	0.042
3	0.051	2	0.541	0.587	0.039
4	0.038	3	0.49	0.552	0.037
5	0.036	4	0.452	0.522	0.035
6	0.023	5	0.416	0.478	0.032
7	0.021	6	0.392	0.452	0.028
8	0.016	8	0.351	0.435	0.028
9	0.013	9	0.335	0.415	0.028
10	0.012	11	0.308	0.407	0.027
11	0.011	12	0.296	0.393	0.027