CRAN

diffIRT 1.5

Diffusion IRT Models for Response and Response Time Data

Released Aug 14, 2015 by Dylan Molenaar

This package is available for Renjin and there are no known compatibility issues.

Dependencies

statmod 1.4.30

Package to fit diffusion-based IRT models to response and response time data. Models are fit using marginal maximum likelihood. Parameter restrictions (fixed value and equality constraints) are possible. In addition, factor scores (person drift rate and person boundary separation) can be estimated. Model fit assessment tools are also available. The traditional diffusion model can be estimated as well.

Installation

Maven

This package can be included as a dependency from a Java or Scala project by including the following your project's pom.xml file. Read more about embedding Renjin in JVM-based projects.

<dependencies>
  <dependency>
    <groupId>org.renjin.cran</groupId>
    <artifactId>diffIRT</artifactId>
    <version>1.5-b58</version>
  </dependency>
</dependencies>
<repositories>
  <repository>
    <id>bedatadriven</id>
    <name>bedatadriven public repo</name>
    <url>https://nexus.bedatadriven.com/content/groups/public/</url>
  </repository>
</repositories>

View build log

Renjin CLI

If you're using Renjin from the command line, you load this library by invoking:

library('org.renjin.cran:diffIRT')

Test Results

This package was last tested against Renjin 0.9.2644 on Jun 2, 2018.

Source

R
C

View GitHub Mirror

Release History