plot.pairSE {pairwise}

S3 Plotting Thustonian Thresholds with SE

Description

S3 plotting method for object of classc("pairSE","list")

Usage

## S3 method for class 'pairSE'
plot(
  x,
  ci = 2,
  sortdif = FALSE,
  ra = "auto",
  main = NULL,
  col.lines = 1:(dim(x$threshold)[2]),
  col.error = 1:(dim(x$threshold)[2]),
  type = "b",
  xlab = "items",
  ylab = "logits",
  pch = 20,
  las = 3,
  cex.axis = 0.8,
  ...
)

Arguments

x

object of classc("pairSE","list")

ci

numeric defining confidence intervall for point estimator

sortdif

logical wether to order items by difficulty

ra

either the character "auto" (default) or an numeric, defining the (logit) range for y-axis

main

see plot

col.lines

vector of colors for threshold profile lines

col.error

vector of colors for error bars

type

see plot

xlab

see plot

ylab

see plot

pch

see plot

las

see plot

cex.axis

see plot

...

other parameters passed to plot