Research Article

A Novel Hybrid Dimension Reduction Technique for Undersized High Dimensional Gene Expression Data Sets Using Information Complexity Criterion for Cancer Classification

Table 3

Results from the dimension reduction with PPCA + classification of benchmark data sets using AIC.

Data setsOriginal number of dimensionsHybrid
smoothed Covs
Dimension reductionLDA
misclassification error rates
QDA
misclassification error rates

Leukemia 3571ME/STA/BCSE615.28%26.3%
Colon2000ME/STA/CSE1419.35%12.9%
Prostate6033ME/STA/BCSE636.27%34.31%
Lymphoma4026ME/STA/BCSE154.83%1.61%
SRBCT2308ME/STA/BCSE159.52%0.0%
Brain5597ME/STA/CSE142.38%4.76%