Research Article

Using Weighted Sparse Representation Model Combined with Discrete Cosine Transformation to Predict Protein-Protein Interactions from Protein Sequence

Table 4

Comparison with support vector machine on three datasets.

DatasetClassifierAccu. (%)Prec. (%)Sen. (%)MCC (%)AUC (%)

YeastWSRC96.28 ± 0.5299.92 ± 0.1892.64 ± 1.0092.82 ± 0.9796.29 ± 0.65
SVM84.97 ± 0.9385.46 ± 1.2184.30 ± 0.8374.46 ± 1.2992.35 ± 0.72

HumanWSRC96.30 ± 0.1099.59 ± 0.2992.63 ± 0.4492.82 ± 0.1996.47 ± 0.54
SVM85.33 ± 1.2986.92 ± 1.9281.59 ± 2.4074.81 ± 1.8993.15 ± 1.11

H. pyloriWSRC86.74 ± 1.5287.01 ± 2.2386.43 ± 0.8676.99 ± 2.2389.85 ± 1.16
SVM80.67 ± 1.9583.18 ± 9.8579.89 ± 11.8367.69 ± 3.3390.39 ± 1.91