Table 7 Performances of the top three feature selection methods No. of Avg. Avg. Time Extraction Type I Type II Method selected Accuracy for training rate (%) error error features (%) & testing 26 42.6 75.06 43.08 15.95 38 min. GA∩STEPWISE DT∪PCA 22 36.1 74.75 42.53 16.14 29 min. DT 7 11.5 74.68 42.91 16.63 6 min. Baseline 61 100.0 73.91 45.53 16.48 2 hr. 52 min. Table 8 The ANOVA analysis of average accuracy of the top feature selection methods (p value) Method DT∪PCA DT Baseline GA∩STEPWISE 0.962 0.846 0.000 GA∩STEPWISE DT∪PCA 1.000 0.002 DT 0.008 Baseline Table 9 The ANOVA analysis of Type I errors of the top feature selection methods (p value) Method DT∪PCA DT Baseline GA∩STEPWISE 1.000 1.000 0.266 GA∩STEPWISE DT∪PCA 1.000 0.000 DT 0.074 Baseline Table 10 The ANOVA analysis of Type II errors of the top feature selection methods (p value) Method DT∪PCA DT Baseline GA∩STEPWISE 1.000 0.852 0.974 GA∩STEPWISE DT∪PCA 0.986 1.000 DT 1.000 Baseline Although the top three feature selection methods do not perform significantly different, they
Table 7 Performances of the top three feature selection methods Method No. of selected features Extraction rate (%) Avg. Accuracy (%) Type I error Type II error Avg. Time for training & testing GA∩STEPWISE 26 42.6 75.06 43.08 15.95 38 min. DT∪PCA 22 36.1 74.75 42.53 16.14 29 min. DT 7 11.5 74.68 42.91 16.63 6 min. Baseline 61 100.0 73.91 45.53 16.48 2 hr. 52 min. Table 8 The ANOVA analysis of average accuracy of the top feature selection methods (p value) Method GA∩STEPWISE DT∪PCA DT Baseline GA∩STEPWISE 0.962 0.846 0.000 DT∪PCA 1.000 0.002 DT 0.008 Baseline Table 9 The ANOVA analysis of Type I errors of the top feature selection methods (p value) Method GA∩STEPWISE DT∪PCA DT Baseline GA∩STEPWISE 1.000 1.000 0.266 DT∪PCA 1.000 0.000 DT 0.074 Baseline Table 10 The ANOVA analysis of Type II errors of the top feature selection methods (p value) Method GA∩STEPWISE DT∪PCA DT Baseline GA∩STEPWISE 1.000 0.852 0.974 DT∪PCA 0.986 1.000 DT 1.000 Baseline Although the top three feature selection methods do not perform significantly different, they
051-Determinants%20of%20Intangible%20Assets%20The%20Application%20of%20Data%20Mining%20Technologies.docx