RSiena (version 1.1-232)

varCovar: Function to create a changing covariate object.

Description

This function creates a changing covariate object from a matrix.

Usage

varCovar(val, nodeSet='Actors')

Arguments

val

Matrix of covariate values, one row for each actor, one column for each period.

nodeSet

Character string containing the name of the associated node set. If the entire data set contains more than one node set, then the node sets must be specified in all data objects.

Value

Returns the covariate as an object of class 'varCovar', in which form it can be used as an argument to SienaData.create.

Details

When part of a Siena data object, the covariate is assumed to be associated with node set nodeSet of the Siena data object.

References

See http://www.stats.ox.ac.uk/~snijders/siena/

See Also

sienaDataCreate, coCovar, coDyadCovar, varDyadCovar

Examples

# NOT RUN {
myvarCovar <- varCovar(s50a)

# }