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Table 1 Performance evaluation of the multi-task learning (MTL) methods (including the MTL-SGL, ℓ1, 2 MTL and ℓ1, ∞ MTL), and the single task learning methods (including Lasso regression and sparse group lasso regression). The rooted mean square error (RMSE), Average accuracy (Acc.), Average sensitivity (Sen.), Average specificity (Spe.), Area Under Receiver Operating Characteristic Curves (AUC), and Area Under Precision-Recall Curves (AUPR) were evaluated. Bold indicates the best performance

From: Multi-task learning sparse group lasso: a method for quantifying antigenicity of influenza A(H1N1) virus using mutations and variations in glycosylation of Hemagglutinin

Model

Taska

Feature

10-fold CV RMSE

Acc.

Sen.

Spe.

AUC

AUPR

Task1

Task2

Task3

Task4

Task5

LASSO

ST

no group

0.8601

0.9221

1.0101

0.7578

0.6166

85.44%

79.03%

93.55%

0.8623

0.8648

SGL

ST

grouped

0.7931

0.8399

0.9157

0.6406

0.5328

85.93%

82.24%

90.62%

0.8647

0.8699

â„“1, 2MTL

MT

no group

1.355

0.7982

0.7832

1.2654

0.6348

86.94%

83.67%

91.09%

0.8729

0.8788

ℓ1, ∞MTL

MT

no group

1.1364

0.7861

0.7748

0.9157

0.595

86.88%

83.98%

90.54%

0.8728

0.8792

MTL-SGL

MT

grouped

0.7598

0.7106

0.714

0.5631

0.4863

87.28%

85.35%

89.71%

0.8772

0.8851

  1. aST single task, MT multi-task