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. 2022 Nov 14;14(1):2143006. doi: 10.1080/19420862.2022.2143006

Table 1.

Performance analysis for the physics-based classifier model using different combinations of the descriptors: (D1) backbone dihedral conformation of the n + 1 residue, (D2) side-chain dihedral conformation of Asn/Asp residue, (D3) fraction of time the Asn/Asp residue remains solvent accessible. Combinations are represented by DXX where the X represents the descriptors.

Type TP* FN* FP* TN* Accuracy Accuracy Precision Recall F1 Score F0.5 Score MCC CKS§
ASN-D1 20 3 173 345 0.67 0.77 0.95 0.67 0.77 0.87 0.23 0.12
ASN-D2 21 2 301 217 0.44 0.67 0.95 0.44 0.57 0.75 0.14 0.05
ASN-D3 23 0 316 202 0.42 0.69 0.96 0.42 0.54 0.73 0.16 0.05
ASN-D12 19 4 130 388 0.75 0.79 0.95 0.75 0.83 0.90 0.26 0.16
ASN-D13 20 3 92 426 0.82 0.85 0.96 0.82 0.87 0.92 0.34 0.24
ASN-D23 21 2 183 335 0.66 0.78 0.96 0.66 0.76 0.86 0.23 0.12
ASN-naïve 0 23 0 518 0.96 0.50 0.92 0.96 0.94 0.92 0.00 0.00
ASN-D123 19 4 62 456 0.88 0.85 0.96 0.88 0.91 0.94 0.40 0.32
ASP-D1 22 2 186 288 0.62 0.76 0.95 0.62 0.73 0.84 0.23 0.11
ASP-D2 22 2 318 156 0.36 0.62 0.94 0.36 0.48 0.68 0.11 0.03
ASP-D3 21 3 312 162 0.37 0.61 0.94 0.37 0.49 0.68 0.10 0.03
ASP-D12 20 4 118 356 0.76 0.79 0.95 0.76 0.82 0.89 0.28 0.18
ASP-D13 20 4 133 341 0.72 0.78 0.95 0.72 0.80 0.88 0.26 0.16
ASP-D23 20 4 205 269 0.58 0.70 0.94 0.58 0.69 0.82 0.17 0.08
ASP-naïve 0 24 0 474 0.95 0.50 0.91 0.95 0.93 0.91 0.00 0.00
ASP-D123 19 5 77 397 0.84 0.81 0.95 0.84 0.88 0.92 0.34 0.26
ALL-D1 42 5 359 633 0.65 0.77 0.95 0.65 0.75 0.86 0.23 0.12
ALL-D2 43 4 619 373 0.40 0.65 0.95 0.40 0.53 0.72 0.13 0.04
ALL-D3 44 3 628 364 0.39 0.65 0.95 0.39 0.52 0.71 0.13 0.04
ALL-D12 39 8 248 744 0.75 0.79 0.95 0.75 0.83 0.90 0.27 0.17
ALL-D13 40 7 225 767 0.78 0.81 0.95 0.78 0.84 0.90 0.30 0.19
ALL-D23 41 6 388 604 0.62 0.74 0.95 0.62 0.73 0.85 0.20 0.10
ALL-naïve 0 47 0 992 0.95 0.50 0.91 0.95 0.93 0.92 0.00 0.00
ALL-D123 38 9 139 853 0.86 0.83 0.95 0.86 0.89 0.93 0.37 0.29

*TP – True positive, FN – False Negative, FP – False positive and TN – True Negative. † Balanced accuracy calculated with weighted distribution of positives and negatives. ‡ Matthew’s Correlation Coefficient ranges from −1.0 to +1.0, where the negative values indicate a bad predictor. § Cohen Kappa Score ranges from −1.0 to +1.0, similar to the MCC statistic but a better indicator to compare an imbalanced dataset.