Add data.

DESCRIPTION

@@ -11,6 +11,7 @@ License: GPL (>= 3)
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.3.2
+VignetteBuilder: knitr
 URL: https://github.com/swarm-lab/gravitree, https://swarm-lab.github.io/gravitree/
 BugReports: https://github.com/swarm-lab/gravitree/issues
 LinkingTo: 
@@ -21,3 +22,11 @@ Imports:
     Rfast,
     fastcluster,
     stats
+Suggests: 
+    knitr,
+    rmarkdown,
+    ggplot2,
+    dplyr,
+    palmerpenguins,
+    MASS
+LazyData: true

R/gravitree-package.R

@@ -21,3 +21,37 @@
 #' @importFrom Rcpp evalCpp
 #' @useDynLib gravitree, .registration = TRUE
 "_PACKAGE"
+
+
+#' @title Four Gaussian Clusters
+#'
+#' @description Matrix of 2-dimensional points forming four Gaussian clusters.
+#'
+#' @name four_Gaussians
+#'
+#' @docType data
+#'
+#' @keywords datasets
+#'
+#' @examples
+#' data(four_Gaussians)
+#' plot(four_Gaussians, pch = 19)
+#'
+NULL
+
+
+#' @title Three Gaussian Clusters
+#'
+#' @description Matrix of 2-dimensional points forming three Gaussian clusters.
+#'
+#' @name three_Gaussians
+#'
+#' @docType data
+#'
+#' @keywords datasets
+#'
+#' @examples
+#' data(three_Gaussians)
+#' plot(three_Gaussians, pch = 19)
+#'
+NULL