Plot method for Locally Optimal Recursive Tree (LORT)

Renders the composite LORT using G1 base-R conventions: ellipses for split nodes, rectangles for terminal nodes, directed arrows for edges.

Usage

# S3 method for class 'cta_ort'
plot(
  x,
  target_class = NULL,
  class_labels = NULL,
  digits = 1L,
  main = "LORT",
  split_fill = "#D9EAF7",
  endpoint_fill = "#D9F7E6",
  endpoint_palette = NULL,
  border_col = "grey30",
  text_col = "black",
  edge_col = "grey40",
  arrow_col = NULL,
  show_caption = FALSE,
  cex = 0.75,
  ...
)

Arguments

x

A cta_ort object.

target_class

Integer target class for terminal node annotation; NULL for a structural plot.

class_labels

Optional named character vector of class display names.

digits

Decimal places for proportion labels. Default 1.

main

Plot title. Default "ORT".

split_fill

Fill color for split (internal) ellipse nodes.

endpoint_fill

Default fill for terminal rectangle nodes.

endpoint_palette

Palette for terminal nodes when target_class is supplied; a function(n) or character color vector.

border_col

Border color for all nodes. Default "grey30".

text_col

Text color for node labels. Default "black".

edge_col

Color for directed edge arrows. Default "grey40".

arrow_col

Arrow color; NULL (default) uses edge_col.

show_caption

Logical; add color-encoding caption when target_class is supplied. Default FALSE.

cex

Text expansion factor. Default 0.75.

...

Unused.

Value

invisible(pd), the layout list from ort_plot_data.

Note

plot.cta_ort and ort_plot_data are legacy compatibility names for the LORT method. See print.cta_ort for the naming note.

See also

ort_plot_data, plot.cta_tree