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#' Simulation time series data for individual
#'
#' A dataset containing values of 10 interested
#' variables over 50 periods.
#'
#' @examples
#' ## Generated by the following R codes
#' set.seed(1000)
#' n = 50; p = 10
#' Precision = diag(rep(2, p)) # generate precision matrix
#' for (i in 1 : (p - 1)){
#' temp = ifelse(i > 2 * p / 3, 0.4, 1)
#' Precision[i, i + 1] = temp
#' Precision[i + 1, i] = temp
#' }
#' # R=-cov2cor(Precision) + diag(rep(2, p)) # real partial correlation matrix
#' Sigma = solve(Precision) # generate covariance matrix
#' rho = 0.5
#' y = matrix(0, n, p) # generate observed time series data
#' Epsilon = MASS::mvrnorm(n, rep(0, p), Sigma)
#' y[1, ] = Epsilon[1, ]
#' for (i in 2 : n){
#' y[i, ] = rho * y[i - 1, ] + sqrt(1 - rho^2) * Epsilon[i, ]
#' }
#' indsim = y
"indsim"
#' Simulation time series data for population A
#'
#' A dataset containing values of 10 interested
#' variables of 20 subjects over 50 periods.
#' @seealso \code{\link{popsimB}}.
#' @examples
#' ## Generated by the following R codes
#' set.seed(1234)
#' n = 50; p = 10; m1 = 20; m2 = 10
#' Precision1 = Precision2 = diag(rep(1, p)) # generate Precision matrix for population
#' for (i in 1 : (p - 1)){
#' temp1 = ifelse(i > 2 * p / 3, -0.2, 0.4)
#' temp2 = ifelse(i < p / 3, 0.4, -0.2)
#' Precision1[i, i + 1] = Precision1[i + 1, i] = temp1
#' Precision2[i, i + 1] = Precision2[i + 1, i] = temp2
#' }
#' # R1=-cov2cor(Precision1) + diag(rep(2, p)) # real partial correlation matrix
#' # R2=-cov2cor(Precision2) + diag(rep(2, p))
#' Index = matrix(0, p, p) # generate covariance matrix for each subject
#' for (i in 1 : p){
#' for (j in 1 : p){
#' if (i != j & abs(i - j) <= 3) Index[i, j] = 1
#' }
#' }
#' SigmaAll1 = array(dim = c(p, p, m1))
#' SigmaAll2 = array(dim = c(p, p, m2))
#' for (sub in 1 : m1){
#' RE = matrix(rnorm(p^2, 0, sqrt(2) * 0.05), p, p) * Index
#' RE1 = (RE + t(RE)) / 2
#' PrecisionInd = Precision1 + RE1
#' SigmaAll1[, , sub] = solve(PrecisionInd)
#' }
#' for (sub in 1 : m2){
#' RE = matrix(rnorm(p^2, 0, sqrt(2) * 0.15), p, p) * Index
#' RE1 = (RE + t(RE)) / 2
#' PrecisionInd = Precision2 + RE1
#' SigmaAll2[, , sub] = solve(PrecisionInd)
#' }
#' rho = 0.3 # generate observed time series data
#' y1 = array(dim = c(n, p, m1))
#' y2 = array(dim = c(n, p, m2))
#' for (sub in 1 : m1){
#' SigmaInd1 = SigmaAll1[, , sub]
#' ytemp = matrix(0, n, p)
#' Epsilon = MASS::mvrnorm(n, rep(0, p), SigmaInd1)
#' ytemp[1, ] = Epsilon[1, ]
#' for (i in 2 : n){
#' ytemp[i, ] = rho * ytemp[i - 1, ] + sqrt(1 - rho^2) * Epsilon[i, ]
#' }
#' y1[, , sub] = ytemp
#' }
#' for (sub in 1 : m2){
#' SigmaInd2 = SigmaAll2[, , sub]
#' Xtemp = matrix(0, n, p)
#' Epsilon = MASS::mvrnorm(n, rep(0, p), SigmaInd2)
#' ytemp[1, ] = Epsilon[1, ]
#' for (i in 2 : n){
#' ytemp[i, ] = rho * ytemp[i - 1, ] + sqrt(1 - rho^2) * Epsilon[i, ]
#' }
#' y2[, , sub] = ytemp
#' }
#' popsimA = y1
#' popsimB = y2
"popsimA"
#' Simulation time series data for population B
#'
#' A dataset containing values of 10 interested
#' variables of 10 subjects over 50 periods.
#'
#' @seealso \code{\link{popsimA}}.
"popsimB"
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