sample.ipar: Sample item parameters
In MAT: Multidimensional Adaptive Testing
sample.ipar R Documentation
Sample item parameters
Description
A sample item parameter file containing 180 Multidimensional 3-PL (M3PL) model.
Usage
data(sample.ipar)
Format
A data frame with item parameters for 180 items.
a1the discrimination parameter for theta 1
a2the discrimination parameter for theta 2
a3the discrimination parameter for theta 3
dthe easiness parameter, d=-a*b
cthe guessing parameter
Details
First 60 items are primarily loaded on theta 1, second 60 on theta 2, and last 60 on theta 3.
Examples
data(sample.ipar)
MAT documentation built on May 1, 2022, 5:07 p.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
| sample.ipar | R Documentation |
Sample item parameters
Description
A sample item parameter file containing 180 Multidimensional 3-PL (M3PL) model.
Usage
data(sample.ipar)
Format
A data frame with item parameters for 180 items.
a1the discrimination parameter for theta 1
a2the discrimination parameter for theta 2
a3the discrimination parameter for theta 3
dthe easiness parameter, d=-a*b
cthe guessing parameter
Details
First 60 items are primarily loaded on theta 1, second 60 on theta 2, and last 60 on theta 3.
Examples
data(sample.ipar)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.