IRT Equating Methods


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Documentation for package ‘equateIRT’ version 2.5.0

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equateIRT-package IRT Equating Methods
alldirec Direct Equating Coefficients Between All Pairs of a List of Forms
bisectorec Bisector Equating Coefficients
ceqc Chain Equating Coefficients
chainec Chain Equating Coefficients
convert Item Parameters Conversion
data2pl Simulated Data Sets
dataDIF Simulated Data Set with DIF
dif.test DIF Test
direc Direct Equating Coefficients
eqc Extract Equating Coefficients
eqc.ceqc Extract Equating Coefficients
eqc.ceqclist Extract Equating Coefficients
eqc.eqc Extract Equating Coefficients
eqc.eqclist Extract Equating Coefficients
eqc.meqc Extract Equating Coefficients
equateIRT IRT Equating Methods
est2pl Item Parameter Estimates and Covariance Matrices of a Two-Parameter Logistic Model
est3pl Item Parameter Estimates and Covariance Matrices of a Three-Parameter Logistic Model
estrasch Item Parameter Estimates and Covariance Matrices of a Rasch Model
id.test Identity Test
import.flexmirt Import Item Parameters Estimates and Covariance Matrices from IRT Software
import.irtpro Import Item Parameters Estimates and Covariance Matrices from IRT Software
import.ltm Import Item Parameters Estimates and Covariance Matrices from IRT Software
import.mirt Import Item Parameters Estimates and Covariance Matrices from IRT Software
itm Extract Item Parameters
itm.ceqc Extract Item Parameters
itm.ceqclist Extract Item Parameters
itm.eqc Extract Item Parameters
itm.eqclist Extract Item Parameters
itm.meqc Extract Item Parameters
linkp Linkage Plan
modIRT Estimated Coefficients and Covariance Matrix of IRT Models
print.dift DIF Test
print.eqc Direct Equating Coefficients
print.eqclist Direct Equating Coefficients Between All Pairs of a List of Forms
print.idtest Identity Test
print.meqc Bisector Equating Coefficients
print.sdtest Test on Chain Equating Coefficients
print.summary.ceqc Summarizing Estimated Chain Equating Coefficients
print.summary.ceqclist Summarizing a List of Estimated Chain Equating Coefficients
print.summary.eqc Summarizing Estimated Equating Coefficients
print.summary.eqclist Summarizing a List of Estimated Direct Equating Coefficients
print.summary.meqc Summarizing Bisector Equating Coefficients
score Scoring
score.ceqc Scoring
score.ceqclist Scoring
score.eqc Scoring
score.eqclist Scoring
score.meqc Scoring
sd.test Test on Chain Equating Coefficients
summary.ceqc Summarizing Estimated Chain Equating Coefficients
summary.ceqclist Summarizing a List of Estimated Chain Equating Coefficients
summary.eqc Summarizing Estimated Equating Coefficients
summary.eqclist Summarizing a List of Estimated Direct Equating Coefficients
summary.meqc Summarizing Bisector Equating Coefficients