Disable complexity/simplicity examples (for now) under Windows to fix…

… CRAN issues (long execution times due to R.utils()).

And fix some typos.

R/complexity.R

@@ -50,7 +50,7 @@ NULL
 #'   uncompressed image file size
 #' @export
 #'
-#' @examples
+#' @examplesIf .Platform$OS.type != "windows"
 #' # Example image with high complexity: trees
 #' trees <- img_read(system.file("example_images", "trees.jpg", package = "imagefluency"))
 #' #

R/imagefluencyApp.R

@@ -9,11 +9,9 @@ NULL
 #' @export
 #'
 #'
-#' @examples
+#' @examplesIf interactive()
 #' ## Only run this example in interactive R sessions
-#' if (interactive()) {
-#'   run_imagefluency()
-#' }
+#' run_imagefluency()
 run_imagefluency <- function() {
   appDir <- system.file("imagefluencyApp", package = "imagefluency")
   if (appDir == "") {

R/simplicity.R

@@ -9,7 +9,7 @@ NULL
 #' @details Image simplicity is calculated as 1 minus the ratio between the
 #'   compressed and uncompressed file size (i.e., the compression rate). Values
 #'   can range between 0 (no compression possible, thus extremely complex image)
-#'   and almost 1 (virtually completely compressed image, thus extremly simple
+#'   and almost 1 (virtually completely compressed image, thus extremely simple
 #'   image). Different compression algorithms are implemented. For details, see
 #'   \code{\link{img_complexity}}.
 #'
@@ -27,14 +27,14 @@ NULL
 #'   uncompressed file size (i.e., the compression rate)
 #' @export
 #'
-#' @examples
+#' @examplesIf .Platform$OS.type != "windows"
 #' # Example image with low simplicity: trees
 #' trees <- img_read(system.file("example_images", "trees.jpg", package = "imagefluency"))
 #' #
 #' # display image
 #' grid::grid.raster(trees)
 #' #
-#' # get complexity
+#' # get simplicity
 #' img_simplicity(trees)
 #'
 #' # Example image with high simplicity: sky
@@ -43,7 +43,7 @@ NULL
 #' # display image
 #' grid::grid.raster(sky)
 #' #
-#' # get complexity
+#' # get simplicity
 #' img_simplicity(sky)
 #'
 #' @references Donderi, D. C. (2006). Visual complexity: A Review.