X-Git-Url: https://git.auder.net/?p=valse.git;a=blobdiff_plain;f=pkg%2FR%2FgenerateXY.R;h=6b811d6bbb0173c6115697331a9e1028a5ee1b96;hp=064b54b2d083bb3bc9d9ddd26a8654962e5b93c2;hb=6af1d4897dbab92a7be05068e0e15823378965d9;hpb=1b698c1619dbcf5b3a0608dc894d249945d2bce3 diff --git a/pkg/R/generateXY.R b/pkg/R/generateXY.R index 064b54b..6b811d6 100644 --- a/pkg/R/generateXY.R +++ b/pkg/R/generateXY.R @@ -1,28 +1,28 @@ -#' generateXY +#' generateXY #' #' Generate a sample of (X,Y) of size n #' #' @param n sample size -#' @param π proportion for each cluster +#' @param prop proportion for each cluster #' @param meanX matrix of group means for covariates (of size p) #' @param covX covariance for covariates (of size p*p) -#' @param β regression matrix, of size p*m*k -#' @param covY covariance for the response vector (of size m*m*K) +#' @param beta regression matrix, of size p*m*k +#' @param covY covariance for the response vector (of size m*m) #' -#' @return list with X and Y +#' @return list with X (of size n*p) and Y (of size n*m) #' #' @export -generateXY <- function(n, π, meanX, β, covX, covY) +generateXY <- function(n, prop, meanX, beta, covX, covY) { p <- dim(covX)[1] m <- dim(covY)[1] - k <- dim(covY)[3] + k <- dim(beta)[3] X <- matrix(nrow = 0, ncol = p) Y <- matrix(nrow = 0, ncol = m) # random generation of the size of each population in X~Y (unordered) - sizePop <- rmultinom(1, n, π) + sizePop <- stats::rmultinom(1, n, prop) class <- c() #map i in 1:n --> index of class in 1:k for (i in 1:k) @@ -30,8 +30,8 @@ generateXY <- function(n, π, meanX, β, covX, covY) class <- c(class, rep(i, sizePop[i])) newBlockX <- MASS::mvrnorm(sizePop[i], meanX, covX) X <- rbind(X, newBlockX) - Y <- rbind(Y, t(apply(newBlockX, 1, function(row) MASS::mvrnorm(1, row %*% - β[, , i], covY[, , i])))) + Y <- rbind(Y, t(apply(newBlockX, 1, function(row) MASS::mvrnorm(1, row %*% + beta[, , i], covY[,])))) } shuffle <- sample(n)