conquestr
An R Package to Extend 'ACER ConQuest'

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ItemDfStdZ: ItemDfStdZ

ItemDfStdZ: ItemDfStdZ
In conquestr: An R Package to Extend 'ACER ConQuest'

View source: R/plotGeneral.R

ItemDfStdZR Documentation

ItemDfStdZ

Description

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

Usage

ItemDfStdZ(myDf)

Arguments

myDf

a data frame.

Value

a data frame.

See Also

conquestr::sysToItemDifDf()


conquestr documentation built on June 8, 2025, 11:02 a.m.

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README.md Data cleaning function in conquestr Generate item responses in conquestr Introduction to conquestr Item analysis tables in conquestr Item Review Sheets produced using conquestr Plotting in conquestr Probability of response vectors in conquestr

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