X-Git-Url: https://git.auder.net/?p=valse.git;a=blobdiff_plain;f=R%2FgenerateIO.R;h=83d8cc9f19bcc4f3689817547cd5e9db7b83c23b;hp=f8c8194daea0e44d9206c583ab99b7884d9a1a5f;hb=d1531659214edd6eaef0ac9ec835455614bba16c;hpb=6bd2e869a17f3980d52820643c1c1b5f3725738e diff --git a/R/generateIO.R b/R/generateIO.R index f8c8194..83d8cc9 100644 --- a/R/generateIO.R +++ b/R/generateIO.R @@ -1,26 +1,35 @@ +#' Generate a sample of (X,Y) of size n +#' @param covX covariance for covariates +#' @param covY covariance for the response vector +#' @param pi proportion for each cluster +#' @param beta regression matrix +#' @param n sample size +#' @return list with X and Y +#' @export +#----------------------------------------------------------------------- generateIO = function(covX, covY, pi, beta, n) { - size_covX = dim(covX) - p = size_covX[1] - k = size_covX[3] - - size_covY = dim(covY) - m = size_covY[1] - - Y = matrix(0,n,m) - BX = array(0, dim=c(n,m,k)) - - require(MASS) #simulate from a multivariate normal distribution - for (i in 1:n) - { - for (r in 1:k) - { - BXir = rep(0,m) - for (mm in 1:m) - Bxir[[mm]] = X[i,] %*% beta[,mm,r] - Y[i,] = Y[i,] + pi[r] * mvrnorm(1,BXir, covY[,,r]) - } - } - - return (list(X=X,Y=Y)) + size_covX = dim(covX) + p = size_covX[1] + k = size_covX[3] + + size_covY = dim(covY) + m = size_covY[1] + + Y = matrix(0,n,m) + BX = array(0, dim=c(n,m,k)) + + require(MASS) #simulate from a multivariate normal distribution + for (i in 1:n) + { + for (r in 1:k) + { + BXir = rep(0,m) + for (mm in 1:m) + Bxir[[mm]] = X[i,] %*% beta[,mm,r] + Y[i,] = Y[i,] + pi[r] * mvrnorm(1,BXir, covY[,,r]) + } + } + + return (list(X=X,Y=Y)) }