Check if an reStruct Object is Initialized

DESCRIPTION:

Checks if all pdMat components of object have been initialized.

USAGE:

isInitialized(object) 

REQUIRED ARGUMENTS:

object
an object inheriting from class reStruct, representing a random effects structure and consisting of a list of pdMat objects.

VALUE:

a logical value indicating whether all components of object have been initialized.

SEE ALSO:

,

EXAMPLES:

rs1 <- reStruct(~age|Subject) 
isInitialized(rs1)