rxSymInvCholCreate function

Creates an object for calculating Omega/Omega^-1 and derivatives

rxSymInvCholCreate(
  mat,
  diag.xform = c("sqrt", "log", "identity"),
  create.env = TRUE,
  envir = parent.frame()
)

Arguments

• mat: Initial Omega matrix
• diag.xform: transformation to diagonal elements of OMEGA. or chol(Omega^-1)
• create.env: -- Create an environment to calculate the inverses. (By default TRUE)
• envir: -- Environment to evaluate function, bu default it is the parent frame.

Returns

A rxSymInv object OR a rxSymInv environment

Author(s)

Matthew L. Fidler