基于NPCA-GA-BP神经网络的采场稳定性预测方法

谢饶青,陈建宏,肖文丰

Prediction Method of Stope Stability Based on NPCA-GA-BP Neural Network

Raoqing XIE,Jianhong CHEN,Wenfeng XIAO

表3 各指标之间的Pearson相关性系数

Table 3 Pearson correlation coefficient between indicators

因素 X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 X1 1.000 0.120 0.071 0.163 -0.108 0.746 -0.130 -0.168 0.231 -0.205 -0.004 X2 0.120 1.000 0.228 -0.036 -0.175 0.223 -0.151 -0.183 0.227 0.181 0.052 X3 0.070 0.228 1.000 -0.016 0.176 0.086 0.031 0.002 -0.169 -0.247 0.250 X4 0.160 -0.036 -0.016 1.000 -0.112 0.253 0.531 0.497 0.015 -0.199 -0.551 X5 -0.100 -0.175 0.176 -0.112 1.000 -0.186 0.209 0.142 0.141 -0.033 0.047 X6 0.740 0.223 0.086 0.253 -0.186 1.000 0.074 0.017 0.134 -0.197 -0.250 X7 -0.130 -0.151 0.031 0.531 0.209 0.074 1.000 0.907 0.101 -0.078 -0.633 X8 -0.160 -0.183 0.002 0.497 0.142 0.017 0.907 1.000 0.046 -0.142 -0.602 X9 0.230 0.227 -0.169 0.015 0.141 0.134 0.101 0.046 1.000 0.391 -0.229 X10 -0.200 0.181 -0.247 -0.199 -0.033 -0.197 -0.078 -0.142 0.391 1.000 -0.063 X11 -0.004 0.052 0.250 -0.551 0.047 -0.250 -0.633 -0.602 -0.229 -0.063 1.000