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. 2008 Dec 1;105(49):19171–19176. doi: 10.1073/pnas.0806747105

Table 1.

Temporal variablesa that keep track of individuals with different combinations of σs and ρ

Variable Gender ρ σs
x11 1 σ1
x10 1 σ0
x01 0 σ1
x00 0 σ0
y1 1
y0 0
z1 Both 1

aSee text for variable definitions.