ItemDfStdZMerge

Calculates Z test on the common items from 2 data frames
returned from <code>conquestr::ItemDfStdZ</code>.

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

ItemDfStdZMerge function

<dl><dt>myDf1</dt>
<dd>a data frame.</dd>
<dt>myDf2</dt>
<dd>a data frame.</dd>
<dt>mySuffixes</dt>
<dd>a vector of strings specifying the names for the two
groups being analysed, e.g., if the two system files are an analysis of boys and girls, the vector may be <code>c(_male", "_female")</code>.</dd></dl>

Arguments

ItemDfStdZMerge — ItemDfStdZMerge

<dl>

<dt>myDf1</dt>
<dd>a data frame.</dd>


<dt>myDf2</dt>
<dd>a data frame.</dd>


<dt>mySuffixes</dt>
<dd>a vector of strings specifying the names for the two
groups being analysed, e.g., if the two system files are an analysis of boys and girls, the vector may be <code>c(_male", "_female")</code>.</dd>

</dl>

ItemDfStdZMerge: ItemDfStdZMerge

Description

Usage

Value

Arguments

See Also