#' Small example knowledge space
#'
#' Basis and space matrix, surmise relation and surmise function of a small
#' fictional knowledge space, and two data sets (data (7 patterns) and
#' sim (500 patterns)to be used in examples. The latter was produced from
#' the space with \code{kmsimulate()} with beta and eta values of 0.1.
#'
#' @docType data
#'
#' @usage xpl
#'
#' @format A list containing the basis, the space, the surmise relation,
#'         the surmise function, and the two data matrices data and sim.
#'
#' @family Data
"xpl"
