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Internal helper to add the diagonal highlighting to a ggplot

Source: R/plot_density_helpers.R
gg_highlightDiagonals.Rd

Internal helper function to highlight diagonals in a density matrix. The function takes an existing ggplot object, adds the diagonal highlighting and returns the edited ggplot object again.

Usage

gg_highlightDiagonals(gg, dat, dat_highlightDiagonals)

Arguments

gg

Existing ggplot object to which the diagonal highlighting should be added.

dat

Dataset with columns period and age and the main variable specified through argument y_var.

dat_highlightDiagonals

Dataset created by create_highlightDiagonalData to highlight specific diagonals in a density matrix.