summary {irtQ} | R Documentation |
Summary of Item Calibration Results
Description
This S3 method summarizes the IRT calibration results from an object of class est_irt
,
est_mg
, or est_item
, which are returned by the functions est_irt()
,
est_mg()
, and est_item()
, respectively.
Usage
summary(object, ...)
## S3 method for class 'est_irt'
summary(object, ...)
## S3 method for class 'est_mg'
summary(object, ...)
## S3 method for class 'est_item'
summary(object, ...)
Arguments
object |
An object of class |
... |
Additional arguments passed to or from other methods (currently not used). |
Value
A list of internal components extracted from the given object. In addition, the summary method prints an overview of the IRT calibration results to the console.
Methods (by class)
-
summary(est_irt)
: An object created by the functionest_irt()
. -
summary(est_mg)
: An object created by the functionest_mg()
. -
summary(est_item)
: An object created by the functionest_item()
.
Author(s)
Hwanggyu Lim hglim83@gmail.com
See Also
est_irt()
, est_mg()
, est_item()
Examples
# Fit the 1PL model to LSAT6 data and constrain the slope parameters to be equal
fit.1pl <- est_irt(data = LSAT6, D = 1, model = "1PLM", cats = 2, fix.a.1pl = FALSE)
# Display the calibration summary
summary(fit.1pl)
[Package irtQ version 1.0.0 Index]