1 files changed, 31 insertions, 0 deletions
diff --git a/R/rmad.R b/R/rmad.R
new file mode 100644
index 0000000..b8e9d41
--- /dev/null
+++ b/R/rmad.R
@@ -0,0 +1,31 @@
+rmad <- function(x, y = NULL, na.rm = FALSE, even.correction = FALSE) {
+  dat <- .check_input_data_matrix(x = x, y = y, na.rm = na.rm)
+  colnames_original <- colnames(dat)
+  storage.mode(dat) <- "double"
+  n <- as.integer(nrow(dat))
+  p <- as.integer(ncol(dat))
+  nc <- as.integer({
+    p^2 - p
+  }/2)
+  if (even.correction) {
+    evencorrection <- 1L
+  }
+  else {
+    evencorrection <- 0L
+  }
+  u <- .Fortran("cormadvecdp", matrix = dat, nrow = n, ncol = p, res = numeric(nc), 
+    ressize = nc, correcteven = evencorrection, PACKAGE = "RSC")$res
+  if (!is.null(y)) {
+    return(u)
+  }
+  else {
+    R <- Matrix(1, nrow = p, ncol = p, sparse = FALSE)
+    R[lower.tri(R, diag = FALSE)] <- u
+    R <- forceSymmetric(R, uplo = "L")
+    R <- as(R, "dspMatrix")
+    if (!is.null(colnames_original)) {
+      dimnames(R)[[1]] <- dimnames(R)[[2]] <- colnames_original
+    }
+    return(R)
+  }
+}