% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/S3vcov.R
\name{confint}
\alias{confint}
\alias{confint.MIRT}
\alias{confint.MGPCM}
\alias{confint.MGGUM}
\alias{confint.FCMIRT}
\alias{confint.FCDCM}
\alias{confint.FCGDINA}
\alias{confint.FCGGUM}
\alias{confint.TIRT}
\title{S3 Methods: confint}
\usage{
\method{confint}{MIRT}(object, parm = NULL, level = 0.95, ...)

\method{confint}{MGPCM}(object, parm = NULL, level = 0.95, ...)

\method{confint}{MGGUM}(object, parm = NULL, level = 0.95, ...)

\method{confint}{FCMIRT}(object, parm = NULL, level = 0.95, ...)

\method{confint}{FCDCM}(object, parm = NULL, level = 0.95, ...)

\method{confint}{FCGDINA}(object, parm = NULL, level = 0.95, ...)

\method{confint}{FCGGUM}(object, parm = NULL, level = 0.95, ...)

\method{confint}{TIRT}(object, parm = NULL, level = 0.95, ...)
}
\arguments{
\item{object}{A fitted model object.}

\item{parm}{Optional numeric indices or character names selecting free
parameters. By default, intervals are returned for all free parameters.}

\item{level}{Numeric; confidence level (default: \code{0.95} for 95\%
intervals).}

\item{...}{Additional arguments (currently ignored).}
}
\value{
A numeric matrix with two columns, \code{2.5\%} and
\code{97.5\%} (column names adjust automatically for non-default
\code{level}). Each row corresponds to one free parameter.
}
\description{
Computes Wald-type confidence intervals for the model parameters of a
fitted \pkg{ForceChoice} model object. Intervals are constructed as
\eqn{\hat{\psi}_k \pm z_{1-\alpha/2}\,\mathrm{SE}_k}, where
\eqn{\hat{\psi}_k} is the point estimate and \eqn{\mathrm{SE}_k} is
the standard error of the \eqn{k}-th free parameter.
}
\section{Methods (by class)}{
\itemize{
\item \code{confint(MIRT)}: Confidence intervals for \code{MIRT} parameters.

\item \code{confint(MGPCM)}: Confidence intervals for \code{MGPCM} parameters.

\item \code{confint(MGGUM)}: Confidence intervals for \code{MGGUM} parameters.

\item \code{confint(FCMIRT)}: Confidence intervals for \code{FCMIRT} parameters.

\item \code{confint(FCDCM)}: Confidence intervals for \code{FCDCM} parameters.

\item \code{confint(FCGDINA)}: Confidence intervals for \code{FCGDINA} parameters.

\item \code{confint(FCGGUM)}: Confidence intervals for \code{FCGGUM} parameters.

\item \code{confint(TIRT)}: Confidence intervals for \code{TIRT} parameters.

}}
