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Table 3 Contingency table (with margins) for DNA motifs

From: Quantifying similarity between motifs

 

A

C

G

T

-

X

N XA

N XC

N XG

N XT

N X

Y

N YA

N YC

N YG

N YT

N Y

 

N A

N C

N G

N T

N

  1. This table is used for computing columnwise scores for Pearson χ2 and for Fisher-Irwin exact test. A similar table with 20 columns is used for protein motifs.