Research Article

A Multiattention-Based Supervised Feature Selection Method for Multivariate Time Series

Table 2

Regression and classification accuracy with different percentages of selected features with the RF classifier.

SRU DC AEP EEG (%)OD (%)WFRN (%)

Top 5% of selected features
m-AFS1.656.553.0989.9895.3892.74
Fisher
’s score
2.6311.243.7281.3598.5293.47
ReliefF2.749.395.5370.0997.4894.30
Trace2.805.944.0568.0984.7490.71
LS_l211.866.813.3663.8199.0192.46
RF1.405.373.2982.1598.5898.34

Top 10% of selected features
m-AFS1.33.183.2295.1699.2695.96
Fisher
’s score
2.557.313.3885.6398.6596.04
ReliefF2.527.735.2976.5498.4695.31
Trace2.585.623.4475.6786.7792.09
LS_l211.575.243.2367.6598.5293.29
RF1.103.883.6185.3699.2098.07

Top 15% of selected features
m-AFS0.992.803.2796.2699.2695.96
Fisher
’s score
2.527.033.3089.3198.7196.87
ReliefF2.516.144.7382.7398.7795.59
Trace2.545.403.1579.8986.9592.56
LS_l211.504.563.2075.0198.5293.38
RF0.962.813.6086.9799.3298.07