Table 1. Mark frequency at each state revealed by the conditional random field (CRF) model on training data.

State	H3K36me3	H4K20me1	H3K4me1	H3K4me2	H3K4me3	H3K9ac	H3K27ac	CTCF
1	1	0	2	98	100	98	100	14
2	0	0	0	16	100	57	84	29
3	6	78	25	36	99	59	64	31
4	0	39	88	100	100	80	100	16
5	0	0	0	34	74	6	23	5
6	16	100	98	90	87	16	51	5
7	4	100	100	63	49	0	14	2
8	0	100	100	0	0	0	0	0
9	1	0	97	79	56	3	19	0
10	4	0	99	3	1	3	9	3
11	0	100	0	0	0	0	0	4
12	2	98	0	28	82	2	4	4
13	100	0	0	0	0	0	0	0
14	100	100	0	0	0	0	0	0
15	0	0	0	0	0	0	0	1