item_pool_cluster-class

<code><a href="/link/?package=TestDesign&version=1.1.3" item_pool_cluster'="" data-mini-rdoc="TestDesign::"></a>'>item_pool_cluster</code> is an S4 class to represent a group of item pools.

Use the optimal test design approach by Birnbaum (1968, ISBN:9781593119348) and
van der Linden (2018) <doi:10.1201/9781315117430> in constructing fixed and adaptive tests. Supports the following
mixed-integer programming (MIP) solver packages: 'lpsymphony', 'Rsymphony', 'gurobi', 'lpSolve', and 'Rglpk'. The 'gurobi' package
is not available from CRAN; see <https://www.gurobi.com/downloads/>. See vignette for installing 'Rsymphony' package
on Mac systems.

Seung W. Choi

TestDesign

Optimal Test Design Approach to Fixed and Adaptive Test
Construction

Sangdon Lim

item_pool_cluster-class function

<dl class="dl-horizontal">
<dt><code>np</code></dt><dd>the number of item pools.</dd></dl><dt><code>pools</code></dt><dd>a list of <code><a href="/link/?package=TestDesign&version=1.1.3" item_pool'="" data-mini-rdoc="TestDesign::"></a>'>item_pool</code> objects.</dd><dt><code>names</code></dt><dd>a vector containing item pool names.</dd>

Slots

<code><a href='<a href='item_pool_cluster'></a>'>item_pool_cluster</a></code> is an S4 class to represent a group of item pools.

item_pool_cluster-class: Class 'item_pool_cluster': an item pool

Description

Arguments

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