extract

output from the <code><a rd-options="" href="/link/mirt?package=lordif&version=0.3-3" data-mini-rdoc="lordif::mirt">mirt</a></code> function of the mirt package

ipar

Extracts IRT item parameter estimates from an output returned from <code>mirt</code>

Analysis of Differential Item Functioning (DIF) for
dichotomous and polytomous items using an iterative hybrid of
ordinal logistic regression and item response theory (IRT).

Seung W Choi

lordif

Logistic Ordinal Regression Differential Item Functioning using
IRT

extract function

<dl> <dt>ipar</dt>
<dd>output from the <code>mirt</code> function of the mirt package</dd></dl>

Arguments

Seung W. Choi &lt;choi.phd@gmail.com&gt;

Author

extracts IRT item parameters — extract

<dl>

 <dt>ipar</dt>
<dd>output from the <code>mirt</code> function of the mirt package</dd>

</dl>

extract: extracts IRT item parameters

Description

Usage

Value

Arguments

Author

Details

See Also

Examples