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. 2025 Jan 21;13:e18765. doi: 10.7717/peerj.18765

Table 3. Confusion matrix produced by the linear discriminant analysis.

Numbers (and percentages) represent T. mediterraneus individuals correctly classified into their original group after cross-validation of the discriminant analysis of the morphometric data. Rows are the original sample group and columns the reallocation group after jackknife cross-validation. r-SUM, row sum; c-SUM, column sum.

NA12 NA13 CA12 CA13 SW12 SW13 SE12 SE13 r-SUM
NA12 40 (58.8%) 7 13 2 0 4 1 1 68
NA13 10 35 (48.6%) 4 12 2 7 1 1 72
CA12 22 2 17 (34%) 8 0 1 0 0 50
CA13 4 19 5 34 (46%) 1 11 0 0 74
SW12 1 3 1 1 18 (50%) 0 6 6 36
SW13 0 8 2 12 0 26 (52%) 0 2 50
SE12 0 0 0 1 4 0 14 (58.3%) 5 24
SE13 0 0 0 3 7 3 4 35 (67.3%) 52
c-SUM 77 74 42 73 32 52 26 50 426
Percentage of Correct Classification = 51.4%