plot.Cat: Plotting function for Cat object

In catSurv: Computerized Adaptive Testing for Survey Research

Plotting function for Cat object

Description

Function to plot item response functions, item characteristic functions, and item information functions for Cat objects.

Usage

## S4 method for signature 'Cat'
plot(x, item, plotType, xlim = c(-5, 5), ...)

Arguments

x	Cat object.
item	Numeric. Item index.
plotType	Character. Either "IRF", "ICC", or "IIF" for item response functions, item characteristic functions, and item information functions, respectively.
xlim	Vector. Range of the x-axis.
...	Other arguments passed to plot().

catSurv documentation built on Dec. 4, 2022, 1:15 a.m.