plot.btreg: Visualization of Bradley-Terry Models

In prefmod2: Paired Comparison Models for Preferences

Description

Flexible function for visualizing coefficients/worth parameters from a Bradley-Terry model.

Usage

## S3 method for class 'btreg'
plot(x, 
  worth = TRUE, index = TRUE, names = TRUE, ref = TRUE, abbreviate = FALSE,
  type = NULL, lty = NULL, xlab = "Objects", ylab = NULL, ...)

Arguments

x	an object of class "btreg" as fitted by btreg.
worth	logical. Should worth parameters (or their logs) be visualized?
index	logical. Should different indexes for different stimuli be used?
names	logical. Should the names for the objects be displayed?
ref	logical. Should a horizontal line for the reference level be drawn?
abbreviate	logical or numeric. Should object names be abbreviated? If numeric this controls the length of the abbreviation.
type, lty, xlab, ylab, ...	graphical parameters.

See Also

btreg

Examples

data("CEMSChoice", package = "psychotree")
cems <- btreg(preference ~ 1, data = CEMSChoice)
plot(cems)

prefmod2 documentation built on May 2, 2019, 5:20 p.m.