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Posterior-median latent cross-class correlation heatmap (Omega)

Source: R/plot_omega_diagnostics.R
plot_omega_correlation_heatmap.Rd

Rows/columns are antimicrobial classes; each cell is the posterior median of the corresponding Omega[i,j] (or R_block[r,i,j]) entry. Only meaningful for correlated-residual fits – pass NULL (e.g. an identity-residual fit's summarize_fit_correlation_matrix() result) to get NULL back rather than an empty/misleading plot.

Usage

plot_omega_correlation_heatmap(
  corr_summary,
  class_cols,
  title_base = "",
  rhat_flag_threshold = 1.01
)

Arguments

corr_summary

Tibble from summarize_fit_correlation_matrix() (with class_1, class_2, correlation_median, rhat columns), or NULL.

class_cols

Character vector of all class names, in the fit's canonical order (for consistent row/column ordering).

title_base

Character. Prefixed to the plot title.

rhat_flag_threshold

Numeric. Cells with rhat above this are marked with an asterisk, cross-referencing the companion convergence heatmap rather than repeating full diagnostics on this plot.

Value

A ggplot object, or NULL if corr_summary is NULL/empty.