Research Article

A Pruning Neural Network Model in Credit Classification Analysis

Table 13

Extraction rate and accuracy rate comparison between PNN and other feature selection methods of the Australian credit dataset.

Methods Numbers of variables before feature selection Numbers of variables after feature selection Extraction rate (%) Accuracy rate (%)

-test [54] 14 12 14.3 89.27
Stepwise [54] 14 7 50 84.74
Related matrix [54] 14 12 14.3 89.31
Factor analysis [54] 14 9 35.7 86.08
PCA [54] 14 9 35.7 89.93
PNN 14 4 71.4 85.80