sysToItems

Read an R object of class ConQuestSys and create a labelled
representation of the B matrix (scoring matrix).
This maps item response categories to items and dimensions.

internal

Extends 'ACER ConQuest' through a family of functions
designed to improve graphical outputs and help with advanced analysis
(e.g., differential item functioning). Allows R users to call
'ACER ConQuest' from within R and read 'ACER ConQuest' System Files
(generated by the command `put` <https://conquestmanual.acer.org/s4-00.html#put>).
Requires 'ACER ConQuest' version 5.40 or later.
A demonstration version can be downloaded from <https://shop.acer.org/acer-conquest-5.html>.

Dan Cloney

conquestr

An R Package to Extend 'ACER ConQuest'

Ray Adams

sysToItems function

<dl><dt>mySys</dt>
<dd>An R object of class ConQuestSys,
returned by the function conquestr::ConQuestSys</dd>
<dt>myDims</dt>
<dd>A string specifying if all or specific dimensions
should be included. The default is "all", Specific dimensions are
specified by the label "D1" for dimensions 1 etc.</dd></dl>

Arguments

sysToItems — sysToItems

<dl>

<dt>mySys</dt>
<dd>An R object of class ConQuestSys,
returned by the function conquestr::ConQuestSys</dd>


<dt>myDims</dt>
<dd>A string specifying if all or specific dimensions
should be included. The default is "all", Specific dimensions are
specified by the label "D1" for dimensions 1 etc.</dd>

</dl>

sysToItems: sysToItems

Description

Usage

Value

Arguments

See Also