define_base_x_j {spdesign}

Define base x_j

Description

Defines the base of the x_j list using the parsed utility expression, design_candidate and the base model matrix

Usage

define_base_x_j(utility, design_candidate)

Arguments

utility

A named list of utility functions. See the examples and the vignette for examples of how to define these correctly for different types of experimental designs.

design_candidate

The current design candidate under consideration

Value

A base list x_j with model matrices the lenght of J