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Table 8 Pattern matrix for synthetic data

From: Multiclass classification of microarray data with repeated measurements: application to cancer

Class 1 Class 2 Class 3 Class 4
1 0 0 0
-1 0 0 0
0 1 0 0
0 -1 0 0
0 0 1 0
0 0 -1 0
0 0 0 1
0 0 0 -1
1 1 0 0
-1 -1 0 0
1 -1 0 0
-1 1 0 0
1 0 1 0
-1 0 -1 0
1 0 -1 0
-1 0 1 0
1 0 0 1
-1 0 0 -1
1 0 0 -1
-1 0 0 1
0 1 1 0
0 -1 -1 0
0 1 -1 0
0 -1 1 0
0 1 0 1
  1. Each row represents a pattern, and each column represents a class such that entry P(i, j) is the ith pattern of class j. An entry of 1 means upregulated while an entry of -1 means downregulated. For example, the first row indicates that a patterned gene is upregulated in class 1 compared to all the other three classes.