calculateLinkErrorComponent: Add proficiency levels

In eatTrend: Estimate National Trends in International Large-Scale Assessments

Description

This function returns different linking error estimates.

Usage

calculateLinkErrorComponent(intParsT1, intParsT2, natParsT1, natParsT2)

Arguments

intParsT1	A data frame containing the international item parameter estimates at time 1. The first column has to be an ID variable, the second column contains the estimates.
intParsT2	A data frame containing the international item parameter estimates at time 2. The first column has to be an ID variable, the second column contains the estimates.
natParsT1	A data frame containing the national item parameter estimates at time 1. The first column has to be an ID variable, the second column contains the estimates.
natParsT2	A data frame containing the national item parameter estimates at time 2. The first column has to be an ID variable, the second column contains the estimates.

Value

A list.

Author(s)

Karoline Sachse

eatTrend documentation built on May 2, 2019, 4:46 p.m.