PerFit (version 1.3.1)

PerFit.SE: Compute standard errors for person fit statistics

Description

Compute standard errors for person fit statistics.

Usage

PerFit.SE(x)

Arguments

x

Object of class "PerFit".

Value

• A matrix with two columns: PFscores shows the values of the person-fit statistic and PFscores.SE shows the estimated standard errors.

Details

Function PerFit.SE computes jackknife standard errors for the scores of the person fit statistic in object x.

Examples

# Load the inadequacy scale data (dichotomous item scores):
data(InadequacyData)

# Compute the Ht scores:
Ht.out <- Ht(InadequacyData)

# Compute the SEs:
Ht.SE <- PerFit.SE(Ht.out)
Ht.SE