sienaDataCreate function

Function to create a Siena data object

Creates a Siena data object from input dependent variables (networks and possibly behavioural variables), covariates, and composition change objects.

sienaDataCreate(..., nodeSets=NULL, getDocumentation=FALSE)

Arguments

• ...: objects of class sienaDependent, coCovar, varCovar, coDyadCovar, varDyadCovar, and/or sienaCompositionChange; or a list of such objects, of which the first element must not be a sienaCompositionChange object. There should be at least one sienaDependent object.

  If there are one-mode as well as two-mode dependent networks, the one-mode networks should be mentioned first.

• nodeSets: list of Siena node sets. Default is the single node set named "Actors", length equal to the number of rows in the first object of class "sienaDependent". If the entire data set contains more than one node set, then the node sets must have been specified in the creation of all data objects mentioned in ....

• getDocumentation: Flag to allow documentation of internal functions, not for use by users.

Details

The function checks that the objects fit, that there is at least one dependent variable, and adds various attributes to each dependent variable describing the data. If there is more than one nodeSet they must all be specified.

Function print01Report will give a basic description of the data object and is a check useful, e.g., for diagnosing problems.

Returns

An object of class "siena" which is designed to be used in a siena model fit by siena07. The components of the object are: - nodeSets: List of node sets involved

• observations: Integer indicating number of waves of data

• depvars: List of networks and behavior variables

• cCovars: List of constant covariates

• vCovars: List of changing covariates

• dycCovars: List of constant dyadic covariates

• dyvCovars: List of changing dyadic covariates

• compositionChange: List of composition change objects corresponding to the node sets

References

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

Author(s)

Ruth Ripley

See Also

sienaDependent, coCovar, varCovar, coDyadCovar, varDyadCovar, sienaNodeSet, sienaCompositionChange, sienaGroupCreate, sienaDataConstraint, sienaNodeSet, print01Report

Examples

mynet <- sienaDependent(array(c(s501, s502, s503), dim=c(50, 50, 3)))
mybeh <- sienaDependent(s50a, type="behavior")
mydata <- sienaDataCreate(mynet, mybeh)
# This gives the same result as
mydata <- sienaDataCreate(list(mynet, mybeh))
## And for a two-mode network
mynet1 <- sienaDependent(array(c(s501, s502), dim=c(50, 50, 2)), nodeSet="senders")
senders <- sienaNodeSet(50, nodeSetName="senders")
receivers <- sienaNodeSet(30, nodeSetName="receivers")
mynet2 <- sienaDependent(array(c(s501[,1:30], s502[,1:30]), dim=c(50, 30, 2)),
      nodeSet=c("senders", "receivers"))
(mydata <- sienaDataCreate(mynet1, mynet2, nodeSets=list(senders, receivers)))
## Not run:

print01Report(mydata, modelname = "mydescription")
## End(Not run)