data.inv4gr

Dataset for invariance testing with 4 groups.

Supplementary functions for item response models aiming
to complement existing R packages. The functionality includes among others
multidimensional compensatory and noncompensatory IRT models
(Reckase, 2009, <doi:10.1007/978-0-387-89976-3>),
MCMC for hierarchical IRT models and testlet models
(Fox, 2010, <doi:10.1007/978-1-4419-0742-4>),
NOHARM (McDonald, 1982, <doi:10.1177/014662168200600402>),
Rasch copula model (Braeken, 2011, <doi:10.1007/s11336-010-9190-4>;
Schroeders, Robitzsch & Schipolowski, 2014, <doi:10.1111/jedm.12054>),
faceted and hierarchical rater models (DeCarlo, Kim & Johnson, 2011,
<doi:10.1111/j.1745-3984.2011.00143.x>),
ordinal IRT model (ISOP; Scheiblechner, 1995, <doi:10.1007/BF02301417>),
DETECT statistic (Stout, Habing, Douglas & Kim, 1996,
<doi:10.1177/014662169602000403>), local structural equation modeling
(LSEM; Hildebrandt, Luedtke, Robitzsch, Sommer & Wilhelm, 2016,
<doi:10.1080/00273171.2016.1142856>).

Alexander Robitzsch

sirt

Supplementary Item Response Theory Models

data.inv4gr function

A data frame with 4000 observations on the following 12 variables.
 The first variable is a group identifier, the other variables are items.<dl>
 <dt><code>group</code></dt>
<dd>A group identifier</dd> <dt><code>I01</code></dt>
<dd>a numeric vector</dd> <dt><code>I02</code></dt>
<dd>a numeric vector</dd> <dt><code>I03</code></dt>
<dd>a numeric vector</dd> <dt><code>I04</code></dt>
<dd>a numeric vector</dd> <dt><code>I05</code></dt>
<dd>a numeric vector</dd> <dt><code>I06</code></dt>
<dd>a numeric vector</dd> <dt><code>I07</code></dt>
<dd>a numeric vector</dd> <dt><code>I08</code></dt>
<dd>a numeric vector</dd> <dt><code>I09</code></dt>
<dd>a numeric vector</dd> <dt><code>I10</code></dt>
<dd>a numeric vector</dd> <dt><code>I11</code></dt>
<dd>a numeric vector</dd> 
</dl>

Format

Dataset for Invariance Testing with 4 Groups — data.inv4gr

A data frame with 4000 observations on the following 12 variables.
 The first variable is a group identifier, the other variables are items.<dl>
 <dt><code>group</code></dt>
<dd>A group identifier</dd>

 <dt><code>I01</code></dt>
<dd>a numeric vector</dd>

 <dt><code>I02</code></dt>
<dd>a numeric vector</dd>

 <dt><code>I03</code></dt>
<dd>a numeric vector</dd>

 <dt><code>I04</code></dt>
<dd>a numeric vector</dd>

 <dt><code>I05</code></dt>
<dd>a numeric vector</dd>

 <dt><code>I06</code></dt>
<dd>a numeric vector</dd>

 <dt><code>I07</code></dt>
<dd>a numeric vector</dd>

 <dt><code>I08</code></dt>
<dd>a numeric vector</dd>

 <dt><code>I09</code></dt>
<dd>a numeric vector</dd>

 <dt><code>I10</code></dt>
<dd>a numeric vector</dd>

 <dt><code>I11</code></dt>
<dd>a numeric vector</dd>

 
</dl>

data.inv4gr: Dataset for Invariance Testing with 4 Groups

Description

Usage

Arguments

Format