# Forced-Choice Modeling Based on Item Response Theory and Cognitive Diagnostic Models

## Documentation for package ‘ForceChoice’ version 1.0.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

C D E F G N P R S T U V

ForceChoice-package | ForceChoice: Forced-Choice Modeling Based on IRT and CDM

## -- C --

coef | S3 Methods: coef
coef.FCDCM | S3 Methods: coef
coef.FCGDINA | S3 Methods: coef
coef.FCGGUM | S3 Methods: coef
coef.FCMIRT | S3 Methods: coef
coef.MGGUM | S3 Methods: coef
coef.MGPCM | S3 Methods: coef
coef.MIRT | S3 Methods: coef
coef.TIRT | S3 Methods: coef
confint | S3 Methods: confint
confint.FCDCM | S3 Methods: confint
confint.FCGDINA | S3 Methods: confint
confint.FCGGUM | S3 Methods: confint
confint.FCMIRT | S3 Methods: confint
confint.MGGUM | S3 Methods: confint
confint.MGPCM | S3 Methods: confint
confint.MIRT | S3 Methods: confint
confint.TIRT | S3 Methods: confint

## -- D --

deviance | S3 Methods: deviance
deviance.FCDCM | S3 Methods: deviance
deviance.FCGDINA | S3 Methods: deviance
deviance.FCGGUM | S3 Methods: deviance
deviance.FCMIRT | S3 Methods: deviance
deviance.MGGUM | S3 Methods: deviance
deviance.MGPCM | S3 Methods: deviance
deviance.MIRT | S3 Methods: deviance
deviance.TIRT | S3 Methods: deviance

## -- E --

extract | S3 Methods: extract
extract.FCDCM | S3 Methods: extract
extract.FCGDINA | S3 Methods: extract
extract.FCGGUM | S3 Methods: extract
extract.FCMIRT | S3 Methods: extract
extract.MGGUM | S3 Methods: extract
extract.MGPCM | S3 Methods: extract
extract.MIRT | S3 Methods: extract
extract.TIRT | S3 Methods: extract

## -- F --

fit.FCDCM | Fit the Forced-Choice Diagnostic Classification Model (FCDCM)
fit.FCGDINA | Fit the Forced-Choice GDINA Model
fit.FCGGUM | Fit the Forced-Choice Generalized Graded Unfolding Model (FCGGUM)
fit.FCMIRT | Fit the Forced-Choice Multidimensional IRT (FCMIRT) Model
fit.MGGUM | Fit the Multidimensional Generalized Graded Unfolding Model (MGGUM)
fit.MGPCM | Fit the Multidimensional Generalized Partial Credit Model (MGPCM)
fit.MIRT | Fit the Multidimensional Item Response Theory (MIRT) Model
fit.TIRT | Fit the Thurstonian Item Response Theory (TIRT) Model
fitted | S3 Methods: fitted
fitted.FCDCM | S3 Methods: fitted
fitted.FCGDINA | S3 Methods: fitted
fitted.FCGGUM | S3 Methods: fitted
fitted.FCMIRT | S3 Methods: fitted
fitted.MGGUM | S3 Methods: fitted
fitted.MGPCM | S3 Methods: fitted
fitted.MIRT | S3 Methods: fitted
fitted.TIRT | S3 Methods: fitted
ForceChoice | ForceChoice: Forced-Choice Modeling Based on IRT and CDM
forced_choice_data_conversion | Forced-Choice Data Conversion Formats

## -- G --

get.block.items.from.data | Extract Block Items from Forced-Choice Data
get.block.items.from.data.FCDCM | Extract Block Items from FCDCM Data
get.data.from.response | Convert an Integer Response (Pattern-Index) Matrix to FC Data Strings
get.data.from.response.FCDCM | Convert an FCDCM Response Matrix to FC Data Strings
get.data.from.response.TIRT | Convert TIRT Pairwise-Response Matrix to Forced-Choice Data Strings
get.fit.index | Goodness-of-Fit Indices for Fitted Models
get.fit.index.FCDCM | Goodness-of-Fit Indices for Fitted Models
get.fit.index.FCGDINA | Goodness-of-Fit Indices for Fitted Models
get.fit.index.FCGGUM | Goodness-of-Fit Indices for Fitted Models
get.fit.index.FCMIRT | Goodness-of-Fit Indices for Fitted Models
get.fit.index.MGGUM | Goodness-of-Fit Indices for Fitted Models
get.fit.index.MGPCM | Goodness-of-Fit Indices for Fitted Models
get.fit.index.MIRT | Goodness-of-Fit Indices for Fitted Models
get.fit.index.TIRT | Goodness-of-Fit Indices for Fitted Models
get.log_lik | Extract pointwise log-likelihood matrix
get.log_lik.default | Extract pointwise log-likelihood matrix
get.response.from.data | Convert FC Data Strings to an Integer Response (Pattern-Index) Matrix
get.response.from.data.FCDCM | Convert FCDCM Data Strings to a Binary Response Matrix
get.response.from.data.TIRT | Convert TIRT Forced-Choice Data to Pairwise-Response Matrix
good.of.fit | Goodness-of-Fit Indices for Latent Probability Models

## -- N --

nobs | S3 Methods: nobs
nobs.FCDCM | S3 Methods: nobs
nobs.FCGDINA | S3 Methods: nobs
nobs.FCGGUM | S3 Methods: nobs
nobs.FCMIRT | S3 Methods: nobs
nobs.MGGUM | S3 Methods: nobs
nobs.MGPCM | S3 Methods: nobs
nobs.MIRT | S3 Methods: nobs
nobs.TIRT | S3 Methods: nobs

## -- P --

plot | S3 Methods: plot
plot.FCDCM | S3 Methods: plot
plot.FCGDINA | S3 Methods: plot
plot.FCGGUM | S3 Methods: plot
plot.FCMIRT | S3 Methods: plot
plot.MGGUM | S3 Methods: plot
plot.MGPCM | S3 Methods: plot
plot.MIRT | S3 Methods: plot
plot.TIRT | S3 Methods: plot
predict | S3 Methods: predict
predict.FCDCM | S3 Methods: predict
predict.FCGDINA | S3 Methods: predict
predict.FCGGUM | S3 Methods: predict
predict.FCMIRT | S3 Methods: predict
predict.MGGUM | S3 Methods: predict
predict.MGPCM | S3 Methods: predict
predict.MIRT | S3 Methods: predict
predict.TIRT | S3 Methods: predict
print | S3 Methods: print
print.data.FCDCM | S3 Methods: print
print.data.FCGDINA | S3 Methods: print
print.data.FCGGUM | S3 Methods: print
print.data.FCMIRT | S3 Methods: print
print.data.MGGUM | S3 Methods: print
print.data.MGPCM | S3 Methods: print
print.data.MIRT | S3 Methods: print
print.data.TIRT | S3 Methods: print
print.FCDCM | S3 Methods: print
print.FCGDINA | S3 Methods: print
print.FCGGUM | S3 Methods: print
print.FCMIRT | S3 Methods: print
print.good.of.fit | S3 Methods: print
print.MGGUM | S3 Methods: print
print.MGPCM | S3 Methods: print
print.MIRT | S3 Methods: print
print.summary.FCDCM | S3 Methods: print
print.summary.FCGDINA | S3 Methods: print
print.summary.FCGGUM | S3 Methods: print
print.summary.FCMIRT | S3 Methods: print
print.summary.good.of.fit | S3 Methods: print
print.summary.MGGUM | S3 Methods: print
print.summary.MGPCM | S3 Methods: print
print.summary.MIRT | S3 Methods: print
print.summary.TIRT | S3 Methods: print
print.TIRT | S3 Methods: print

## -- R --

residuals | S3 Methods: residuals
residuals.FCDCM | S3 Methods: residuals
residuals.FCGDINA | S3 Methods: residuals
residuals.FCGGUM | S3 Methods: residuals
residuals.FCMIRT | S3 Methods: residuals
residuals.MGGUM | S3 Methods: residuals
residuals.MGPCM | S3 Methods: residuals
residuals.MIRT | S3 Methods: residuals
residuals.TIRT | S3 Methods: residuals
rotate | S3 Methods: rotate
rotate.MGPCM | S3 Methods: rotate
rotate.MIRT | S3 Methods: rotate

## -- S --

sim.data.FCDCM | Simulate Data from the Forced-Choice DCM Model
sim.data.FCGDINA | Simulate Forced-Choice GDINA Data
sim.data.FCGGUM | Simulate Data from the Forced-Choice GGUM Model
sim.data.FCMIRT | Simulate FCMIRT Data
sim.data.MGGUM | Simulate Data from the Multidimensional Generalized Graded Unfolding Model
sim.data.MGPCM | Simulate Data from the Multidimensional Generalized Partial Credit Model
sim.data.MIRT | Simulate Data from the Multidimensional IRT (MIRT) Model
sim.data.TIRT | Simulate Data from the Thurstonian IRT (TIRT) Model
summary | S3 Methods: summary
summary.FCDCM | S3 Methods: summary
summary.FCGDINA | S3 Methods: summary
summary.FCGGUM | S3 Methods: summary
summary.FCMIRT | S3 Methods: summary
summary.good.of.fit | S3 Methods: summary
summary.MGGUM | S3 Methods: summary
summary.MGPCM | S3 Methods: summary
summary.MIRT | S3 Methods: summary
summary.TIRT | S3 Methods: summary

## -- T --

triplets | Triplets of Pairwise Comparisons

## -- U --

update | S3 Methods: update
update.FCDCM | S3 Methods: update
update.FCGDINA | S3 Methods: update
update.FCGGUM | S3 Methods: update
update.FCMIRT | S3 Methods: update
update.MGGUM | S3 Methods: update
update.MGPCM | S3 Methods: update
update.MIRT | S3 Methods: update
update.TIRT | S3 Methods: update

## -- V --

vcov | S3 Methods: vcov
vcov.FCDCM | S3 Methods: vcov
vcov.FCGDINA | S3 Methods: vcov
vcov.FCGGUM | S3 Methods: vcov
vcov.FCMIRT | S3 Methods: vcov
vcov.MGGUM | S3 Methods: vcov
vcov.MGPCM | S3 Methods: vcov
vcov.MIRT | S3 Methods: vcov
vcov.TIRT | S3 Methods: vcov