plot.pers: S3 Plotting Person - Item Map

In pairwise: Rasch Model Parameters by Pairwise Algorithm

S3 Plotting Person - Item Map

Description

S3 plotting method for object of class"pers"

Usage

## S3 method for class 'pers'
plot(
  x,
  ra = NULL,
  sortdif = FALSE,
  main = NULL,
  ylab = "Logits",
  itemNames = TRUE,
  fillCol = "grey60",
  lineCol = "grey40",
  cex = 0.7,
  pos = 4,
  breaks = "Sturges",
  pch = 1,
  ...
)

Arguments

x	object of class"pers"
ra	an integer, defining the (logit) range for y-axis
sortdif	logical wether to order items by difficulty
main	see plot
ylab	see plot
itemNames	logical wether to use itemnames in the resulting plot
fillCol	color for bar filling of the ability histogram
lineCol	color for bar lines of the ability histogram
cex	see text
pos	see text
breaks	see hist
pch	see points
...	other parameters passed to hist and text.

pairwise documentation built on April 18, 2023, 1:10 a.m.