ItemDfStdZ

Calculates centred and scaled item parameter estimates.
Also calculates standardised standard errors of item parameter estimates
to complement scaled item parameter estimates.

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

ItemDfStdZ function

<dl><dt>myDf</dt>
<dd>a data frame.</dd></dl>

Arguments

ItemDfStdZ — ItemDfStdZ

<dl>

<dt>myDf</dt>
<dd>a data frame.</dd>

</dl>

ItemDfStdZ: ItemDfStdZ

Description

Usage

Value

Arguments

See Also