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Table 1 Notations

From: Inferring Crohn’s disease association from exome sequences by integrating biological knowledge

Notation

Definition

n

Number of amino acid substitutions

m

Number of exomes

l

Number of genes

l D

Number of known Crohn’s disease genes

V

Exome matrix (n×m)

P

Pathogenicity of amino acid substitutions (n×l)

W

Disease-gene association matrix (l×2)

H

Disease-exome association matrix (2×m)

M

Gene-gene interaction network (l×l)

P 0

Pathogenicity prediction by PolyPhen-2 (n×l)

W 0

Annotated Crohn’s disease-gene association matrix (l×2)

v

Indicator vector for known Crohn’s disease genes (l)

r

Crohn’s disease association vector derived from W (l)