R/Spearman-data.R

In eunscho/reliacoef: Compute and Compare Unidimensional and Multidimensional Reliability Coefficients

#' Spearman's (1999)  unidimensional data of six items
#'
#' Spearman's (1999)  unidimensional data of six items. The data was collected 
#' from school children in London. This data is historical data from which the 
#' first factor analysis was carried out. Spearman's factor analysis model was 
#' a unidimensional model, but other than this dataset, data that satisfies a 
#' unidimension were uncommon (Hägglund, 2001).
#' @docType data
#' @usage data(Spearman)
#' @source Spearman, C. (1904). “General intelligence,” objectively determined 
#' and measured. American Journal of Psychology, 15(2), 201-292
#' @references Hägglund, G. 2001. Milestones in the History of Factor Analysis. 
#' Pp. 11–38 in Structural equation modeling: Present and future-A festschrift 
#' in honor of Karl Jöreskog. Scientific Software International.
#' @author Eunseong Cho, \email{bene@kw.ac.kr}
#'
"Spearman"