Table 1: Correlation coefficient matrix shows a segment of correlated attributes from our experimental data.

Item 1Item 2Item 3Item 4Item 5Item 6Item 7Item 8Item 9Item 10Item 11Item 12Item 13Item 14

Item 11
Item 20.3046281
Item 30.0868590.9554841
Item 40.268803−0.64095−0.83711
Item 5−0.166710.8768190.904209−0.692521
Item 6−0.83893−0.50437−0.424440.255924−0.040981
Item 7−0.167830.8802650.913895−0.713130.999567−0.0551
Item 8−0.767510.1511170.226658−0.217870.5982020.7758970.5861641
Item 9−0.165330.887280.933745−0.756150.995487−0.089970.9978450.5544191
Item 10−0.143740.8968280.963708−0.8260.975886−0.16790.9818330.4776190.9921281
Item 11−0.169870.8819410.920922−0.72970.998566−0.065350.9997080.5767890.9991270.9860371
Item 12−0.84519−0.4055−0.328660.1940640.068330.9938080.0537540.8403390.017242−0.064680.0428581
Item 13−0.381020.7596330.843887−0.742260.9739580.1260830.9751930.7125660.9739040.9564820.9758490.2290561
Item 14#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!1