Exploring an Interactive Value-Adding Data-Driven Model of Consumer Electronics Supply Chain Based on Least Squares Support Vector Machine

Table 3

Comparison of accuracies of four different models.

Actual values of test set

Predictive values ()

Primary indicator

Secondary indicator

Tertiary indicator

SVM

BP

ELM

LS-SVM

SVM

BP

ELM

LS-SVM

SVM

BP

ELM

LS-SVM

0.102

0.101/0.008

0.105/0.029

0.089/0.123

0.107/0.053

0.110/0.078

0.116/0.141

0.119/0.166

0.108/0.059

0.107/0.050

0.102/0.000

0.1038/0.018

0.109/0.071

0.088

0.086/0.026

0.108/0.225

0.098/0.111

0.084/0.050

0.089/0.013

0.088/0.003

0.133/0.511

0.085/0.033

0.096/0.085

0.109/0.240

0.133/0.511

0.088/0.001

0.067

0.079/0.179

0.081/0.203

0.099/0.480

0.066/0.010

0.075/0.115

0.054/0.198

0.056/0.166

0.072/0.069

0.074/0.109

0.059/0.121

0.058/0.134

0.067/0.001

Mean error

0.071

0.152

0.238

0.038

0.069

0.114

0.281

0.054

0.081

0.12

0.221

0.024

Standard deviation

0.094

0.107

0.210

0.024

0.052

0.100

0.200

0.019

0.030

0.120

0.258

0.041

: is the predictive value; is the relative error.