checkRel {autoRasch} | R Documentation |
Compute Reliability and Standard Error
Description
This function computes the reliability index, separation and the standard error of the models estimation.
Usage
checkRel(obj)
## S3 method for class 'seprel'
summary(object, ...)
Arguments
obj |
Object that resulted from any models estimation, e.g., |
object |
The object of class |
... |
Further arguments to be passed. |
Details
Person reliability index
Value
A list of two objects, the reliability and the standard error.
reliability
PRI Person reliability index.
PSR Person separation reliability.
IRI Item reliability index.
ISR Item separation reliability.
stdError
var_err_pers A matrix of variance error of the estimation.
std_err_pers A matrix of standard error of the estimation.
rmsse_pers Root mean square of the standard error per person.
var_err_item A matrix of variance error of the estimation.
std_err_item A matrix of standard error of the estimation.
rmsse_item Root mean square of the standard error per person.
hessian_theta Hessian matrix of
theta
parameter.hessian_beta Hessian matrix of
beta
parameter.
Examples
pcmObject <- pcm(shortDIF)
rel <- checkRel(pcmObject)
summary(rel)