Testing Spatial Symmetry Using Contingency Tables Based on Nearest Neighbor Relations

Table 1

The NNCT for two classes.

	NN class		Total
	Class 1	Class 2
Base class
Class 1	𝑁11	𝑁12	𝑛1
Class 2	𝑁21	𝑁22	𝑛2
Total	𝐶1	𝐶2	𝑛