makeDefaultMatrix.fnc: Create model matrix with main effects only
Description
Creates a model matrix with main effects only
Usage
makeDefaultMatrix.fnc(model, n = 100, conditioningPred = "", conditioningValue = NULL, control = NA)
Arguments
model
A model fit with lmer
n
integer specifying number of points to be plotted on X-axis
conditioningPred
name of predictor entering into interaction
conditioningValue
vector of values (numeric or factor level names) to be shown for interaction
control
a two-element list (predictor, value) specifying an additional predictor to be fixed to the given value in a partial effect plot. May be useful for hand-made plots for three-way interactions.