Shared worker for plotICBR_gg / plotICRP_gg — .plot_item

The two exported functions differ only in which element of the exametrika output they draw (ICBR vs ICRP), the accepted model classes, and the auto title.

Usage

.plot_item_category(
  data,
  items,
  title,
  colors,
  linetype,
  show_legend,
  legend_position,
  element,
  valid_classes,
  auto_title
)

Arguments

data: An object of class c("exametrika", "LRAordinal") from exametrika::LRA() with dataType = "ordinal".
items: Integer vector specifying which items to plot. Default is all items.
title: Logical or character. If TRUE (default), display item labels as subplot titles. If FALSE, no titles. If a character string, use it as the main plot title.
colors: Character vector. Colors for category boundary lines. If NULL (default), uses the package default palette.
linetype: Character or numeric vector. Line types for category boundaries. If NULL (default), uses automatic line type assignment.
show_legend: Logical. If TRUE, display the legend showing category labels. Default is TRUE.
legend_position: Character. Position of the legend. One of "right" (default), "top", "bottom", "left", "none".
element: Name of the data element ("ICBR" or "ICRP").
valid_classes: Acceptable model classes.
auto_title: Base string of the automatic title.

Value

A ggplot object.