A Suite of Tools for Assessing Thematic Map Accuracy

Table 1

Confusion matrix expressed in sample counts.

	Reference
Map	1	2	⋯	𝑗	⋯	𝑞	Sum 𝑛𝑖+
1	𝑛11	𝑛12	⋯	𝑛1𝑗	⋯	𝑛1𝑞	𝑛1+
2	𝑛21	𝑛22	⋯	𝑛2𝑗	⋯	𝑛2𝑞	𝑛2+
⋮	⋮	⋮	⋮		⋮	⋮	⋮
𝑖	𝑛𝑖1	𝑛𝑖2		𝑛𝑖𝑗		𝑛𝑖𝑞	𝑛𝑖+
⋮	⋮	⋮	⋮		⋮	⋮	⋮
𝑞	𝑛𝑞1	𝑛𝑞2			⋯	𝑛𝑞𝑞	𝑛𝑞+
Sum 𝑛+𝑗	𝑛+1	𝑛+2	⋯	𝑛+𝑗	⋯	𝑛+𝑞