# projection matrix
##' Construct a Projection Matrix
##'
##' Compute the projection matrix from a square matrix.
##'
##'
##' @param X a square matrix.
##' @return A square matrix.
##' @author Kevin Chang
##' @examples
##'
##'
##' m = matrix(1, nrow = 10, ncol = 3)
##' projMat(m)
##'
##'
##' @export projMat
projMat <- function(X) X %*% ginv(t(X) %*% X) %*% t(X)
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.