ergm (version 4.7.1)

Symmetrize-ergmTerm: Evaluation on symmetrized (undirected) network

Description

Evaluates the terms in formula on an undirected network constructed by symmetrizing the LHS network using one of four rules:

1. "weak" A tie \((i,j)\) is present in the constructed network if the LHS network has either tie \((i,j)\) or \((j,i)\) (or both).

2. "strong" A tie \((i,j)\) is present in the constructed network if the LHS network has both tie \((i,j)\) and tie \((j,i)\) .

3. "upper" A tie \((i,j)\) is present in the constructed network if the LHS network has tie \((\min(i,j),\max(i,j))\) : the upper triangle of the LHS network.

4. "lower" A tie \((i,j)\) is present in the constructed network if the LHS network has tie \((\max(i,j),\min(i,j))\) : the lower triangle of the LHS network.

Usage

# binary: Symmetrize(formula, rule="weak")

Arguments

formula

a one-sided ergm()-style formula with the terms to be evaluated

rule

one of "weak", "strong", "upper", "lower"

See Also

ergmTerm for index of model terms currently visible to the package.

ergm:::.formatTermKeywords("ergmTerm", "Symmetrize", "subsection")