Research Article

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

Table 4

Results from the dimension reduction with PPCA + classification of benchmark data sets using CAIC and CICOMP.

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

Leukemia 3571ME/STA/CSE81.38%0.0%
Colon2000ME/STA/CSE1022.58%14.52%
Prostate6033ME/STA/CSE123.92%7.84%
Lymphoma4026ME/STA/CSE80.0%0.0%
SRBCT2308ME/STA/CSE80.0%0.0%
Brain5597ME/STA/CSE49.52%4.76%