Gene Expression Profiling of Colorectal Tumors and Normal Mucosa by Microarrays Meta-Analysis Using Prediction Analysis of Microarray, Artificial Neural Network, Classification, and Regression Trees

Table 3

Spearman’s correlations of ranking orders of 55 significant genes among the methods of PAM, ANN, CART, and C5.0.

	Spearman’s correlation	ANN	CARTΔ	C5.0Δ	C5.0_importance	PAM_centroid	PAMΔ
ANN	𝑟𝑠	1
CARTΔ	𝑟𝑠	0.42**	1
C5.0Δ	𝑟𝑠	0.48***	0.75***	1
C5.0_importance	𝑟𝑠	0.24	0.62***	0.73***	1
PAM_centroid	𝑟𝑠	0.09	0.01	0.18	0.1	1
PAMΔ	𝑟𝑠	0.09	0.01	0.18	0.1	1.00***	1

^∗𝑃 value < 0.05, ^∗∗𝑃 value < 0.01, ^∗∗∗𝑃 value < 0.001.