Research Article
Research of Low-Rank Representation and Discriminant Correlation Analysis for Alzheimer’s Disease Diagnosis
Table 4
Classification results achieved by 6 different methods for the classification task MCI/NC.
| | ACC | SEN | SPE | BAC | PPV | NPV |
| KNN | 66.53 ± 4.19 | 8.28 ± 5.19 | 97.58 ± 2.63 | 53.49 ± 2.24 | 65.69 ± 4.78 | 82.72 ± 19.24 | EM | 63.71 ± 8.34 | 25.60 ± 9.27 | 86.46 ± 5.40 | 56.03 ± 4.39 | 52.93 ± 12.35 | 66.05 ± 10.13 | SVD | 64.34 ± 5.67 | 26.01 ± 8.90 | 85.19 ± 8.47 | 55.59 ± 7.28 | 49.74 ± 20.72 | 68.31 ± 5.21 | CCA | 68.78 ± 4.94 | 25.63 ± 8.12 | 91.66 ± 7.68 | 58.65 ± 4.17 | 69.95 ± 4.59 | 68.52 ± 23.53 | LMP | 69.90 ± 5.63 | 55.98 ± 11.79 | 77.11 ± 7.70 | 66.54 ± 6.66 | 73.99 ± 8.15 | 59.04 ± 16.56 | LDF | 73.49 ± 5.36 | 48.64 ± 10.30 | 86.28 ± 6.50 | 67.76 ± 5.38 | 67.59 ± 13.20 | 76.80 ± 7.07 |
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