Testing Spatial Symmetry Using Contingency Tables Based on Nearest Neighbor Relations

Table 17

The restricted NNCTs for each pair of species in the Lansing Woods data (i.e., only the points for the pair of species are considered, the other species is ignored). B.O. stands for black oaks and W.O. for white oaks.

(a)

	NN species		Total
	B.O.	Maple
Base species
B.O.	82	53	135
Maple	49	465	514
Total	131	518	649

(b)

	NN species		Total
	B.O.	W.O.
B.O.	78	67	135
W.O.	72	376	448
Total	140	443	583

(c)

	NN species		Total
	Maple	W.O.
Maple	379	135	514
W.O.	172	276	448
Total	551	411	962