vectorize_Sigma: Vectorize Sigma

In KatarzynaReluga/postcAIC: Post-cAIC selection inference under Linear Mixed Models

Description

Function vectorise_Sigma vectorizes and orders unique elements of variance matrix Sigma

Usage

vectorize_Sigma(Sigma, index_cov_terms, p, index_full_model)

Arguments

Sigma	Matrix Sigma
index_cov_terms	Index of covariance terms (for example, 12, 34, etc)
p	Number of all fixed parameters under consideration (intercept included)
index_full_model	Index of a full model in the model set

Details

Matrix Sigma is defined in Claeskens, Reluga, and Sperlich (2021)

Value

List with elements:

Sigma_ordered	Ordered elements of Sigma
Sigma_order_index	Indices of ordered elements of Sigma

KatarzynaReluga/postcAIC documentation built on Jan. 25, 2022, 12:33 a.m.