R/mathsdata.R

#' Simulated item score data
#'
#' A simulated data set of scores derived from IRT analysis of real maths items.
#' This data is provided purely for the purposes of demonstrating some of the functionality of this R package when applied to fairly realistic data.
#'
#' A data set of 124 simulated item scores from a maths exam for 2000 pupils.
#'
#' @format A data frame with 2000 rows and 124 variables.
"mathsdata"

#' Simulated item score data from a high ability group
#'
#' A simulated data set of scores derived from IRT analysis of real maths items.
#' The data is simulated for the same set of items as \emph{mathsdata} but for a higher ability group of pupils.
#' This data is provided purely for the purposes of demonstrating some of the functionality of this R package when applied to fairly realistic data.
#'
#' A data set of 124 simulated item scores from a maths exam for 2000 pupils from a higher ability population.
#'
#' @format A data frame with 2000 rows and 124 variables.
"mathsdata2"
CambridgeAssessmentResearch/KernEqWPS documentation built on Feb. 23, 2024, 9:34 p.m.