multivariate poisson hidden markov models for analysis of spatial ...

Table 6.4: The frequency of occurrence (present/ absent) of the Wild Buckwheat,
Dandelion and Wild Oats
Wild buckwheat Dandelion
Wild Oats
Count
(Species 1097) (Species 1213) (Species 1509)
0 0 0 34
1 0 0 28
0 1 0 5
0 0 1 22
1 1 0 7
1 0 1 37
0 1 1 5
1 1 1 12
2
The likelihood ratio ( G ) test has demonstrated the most suitable model that fits the
data only consists of the main effects (Table 6.5).
2
Table 6.5: The likelihood ratio ( G ) test for the different models of the Wild
Buckwheat, Dandelion and Wild Oats counts
Field #1-Effects
2
G df P value
Y 1 +Y 2 +Y 3 +Y 1 Y 2 +Y 2 Y 3 +Y 1 Y 3 +Y 1 Y 2 Y 3 0 0 -
Y 1 +Y 2 +Y 3 +Y 1 Y 2 +Y 2 Y 3 +Y 1 Y 3 0.04 1 0.8414
Y 1 +Y 2 +Y 3 +Y 1 Y 2 +Y 2 Y 3 4.23 2 0.1205
Y 1 +Y 2 +Y 3 + Y 2 Y 3 5.58 3 0.1341
Y 1 +Y 2 +Y 3 6.49 4 0.1654
Y 1 + Y 3 67.13 5