. 2011 Jul 12;6(7):e21115. doi: 10.1371/journal.pone.0021115

Table 1. Modified log-likelihood [−2log(L)] and parameter estimates for the different models.

	Dispersal kernel parameters β_h					Preference parameters α_h				df	−2.log(L)
4 habitats
		β_P	β_C	β_B	β_D	α_P	α_C	α_B	α_D
M₀ ⁴	1.62					0.54	0.43	0.018	0.008	4	12991
M_G ⁴		2.01	2.11	1.14	0.71	0.54	0.40	0.036	0.014	7	*12394*
3 habitats (grouping Host plant+Crop residue)
		β_P+C	β_B	β_D		α_P+C	α_B	α_D
M₀ ^3,(P+C)	1.63					0.95	0.01	0.04		3	12991
M_G ^3,(P+C)		2.04	1.09	0.74		0.91	0.02	0.07		5	*12395*
3 habitats (grouping Ditch+Bare soil)
		β_P	β_C	β_B+D		α_P	α_C	α_B+D
M₀ ^3,(B+D)	1.62					0.55	0.43	0.02		3	12993
M_G ^3,(B+D)		1.97	2.14	1.08		0.56	0.41	0.03		5	*12422*
2 habitats (grouping Host plant+Crop residue and Ditch+Bare soil)
		β_P+C	β_B+D			α_P+C	α_B+D
M₀ ²	1.63					0.97	0.03			2	13014
M_G ²		2.04	1.08			0.94	0.06			3	*12445*
1 single habitat (grouping Host plant+Crop residue+Ditch+Bare soil)
		β_P+C+B+D				α_P+C+B+D
M_G ¹ = M_G ²		1.89				0.25				1	14769

Parameter subscripts: P, host plant; C, crop residue (litter-covered soil); D, ditch; B, bare soil. P+C means that host plant and crop residue habitats are pooled in a single category.

Habitat-dependent (resp. habitat-independent) models with k types of habitat are denoted M_G ^k (resp. M₀ ^k).