clear up issues with wrapping for spatRaster elements in example PAM

DESCRIPTION

@@ -36,6 +36,6 @@ URL: https://besjournals.onlinelibrary.wiley.com/doi/full/10.1111/2041-210X.1240
     https://github.com/macroecology/letsR,
     https://brunovilela.github.io/letsR/
 BugReports: https://github.com/macroecology/letsR/issues
-RoxygenNote: 7.3.2
+RoxygenNote: 7.3.2.9000
 Encoding: UTF-8
 VignetteBuilder: knitr

R/Data_helps.R

@@ -22,6 +22,11 @@
 #' 
 #' PresenceAbsence object obtained using the function \code{\link{lets.presab}} 
 #' for the Geographic distribution of the South American frog genus \link{Phyllomedusa}.
+#' 
+#' Note that the raster element in this object is shipped as a wrapped
+#' \code{SpatRaster} object and may need to be unwrapped for use in some
+#' examples.
+#' 
 #' @format A PresenceAbsence object
 #' @source Generated from IUCN Spatial Data - \url{https://www.iucnredlist.org/}. 2014.
 "PAM"

R/lets_classvar.R

@@ -26,6 +26,7 @@
 #' @examples \dontrun{
 #' data(PAM)
 #' data(temp)
+#' temp <- terra::unwrap(temp)
 #' pamvar <- lets.addvar(PAM, temp)
 #' resu <- lets.classvar(x = pamvar, pos = ncol(pamvar), xy = TRUE)
 #' }

R/lets_save_load.R

@@ -15,6 +15,7 @@
 #'
 #' @examples \dontrun{
 #' data(PAM)
+#' PAM$Richness_Raster <- terra::unwrap(PAM$Richness_Raster)
 #' lets.save(PAM, file = "PAM.RData")
 #' PAM <- lets.load(file = "PAM.RData")
 #' }