Local dependence heatmap (Yen's Q3)

Local dependence heatmap (Yen's Q3)

Usage

gg_q3(x, cutoff = 0.2, label = TRUE)

Arguments

x

a model returned by mirt::mirt().

cutoff

absolute residual correlation above the average Q3 that is marked as possible local dependence (0.2 by default, Christensen et al., 2017).

label

logical; print values in flagged cells.

Value

A ggplot object.

Examples

mod <- mirt(expand.table(LSAT7), 1, verbose = FALSE)
gg_q3(mod)