## ----include = FALSE---------------------------------------------------------- knitr::opts_chunk$set( collapse = TRUE, comment = "#>" ) ## ----echo=TRUE, results='verbatim'-------------------------------------------- N <- 1000 p <- 4 X <- matrix(rnorm(N * p), ncol = p) # Compute Weiszfeld geometric median res <- STARRS::WeiszfeldMedian(X) res ## ----echo=TRUE, results='verbatim'-------------------------------------------- N <- 1000 p <- 4 X <- matrix(rnorm(N * p), ncol = p) # Compute ASG geometric median # Ensure the ASGMedian function is available (from STARRS package) res <- STARRS::ASGMedian(X) # Display result res ## ----fig-median, fig.cap="Comparison of the squared errors and computation time between Weiszfeld and ASGD algorithms with respect to the sample size.", out.width="70%", fig.align='center', echo=FALSE,eval=TRUE---- knitr::include_graphics("plot_median.png") ## ----echo=TRUE, results='verbatim'-------------------------------------------- N <- 1000 p <- 4 X <- matrix(rnorm(N * p), ncol = p) # Compute Weiszfeld geometric median med_est <- STARRS::WeiszfeldMedian(X) # Compute the associated Median Covariation Matrix res <- STARRS::WeiszfeldMedianCovariance(X, median_est = med_est) res ## ----echo=TRUE, results='verbatim'-------------------------------------------- N <- 1000 p <- 4 X <- matrix(rnorm(N * p), ncol = p) # Compute the median using ASGMedian med_est <- STARRS::ASGMedian(X) # Compute the associated Median Covariation Matrix res <- STARRS::ASGMedianCovariance(X, median_est = med_est) res ## ----fig-MCM, ffig.cap="Comparison of the squared errors and computation time between Weiszfeld and ASGD algorithms with respect to the sample size.", out.width="70%", fig.align='center', echo=FALSE,eval=TRUE---- knitr::include_graphics("plot_MCM.png")