Running examples in ‘spdep-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: set.mcOption
> ### Title: Options for parallel support
> ### Aliases: set.ClusterOption get.ClusterOption set.mcOption
> ###   get.coresOption set.coresOption get.mcOption
> ### Keywords: spatial
> 
> ### ** Examples
> 
> ls(envir=spdep:::.spdepOptions)
 [1] "cluster"                "cores"                  "listw_is_CsparseMatrix"
 [4] "mc"                     "nb_subgraphs_N+E"       "report_nb_noneighs"    
 [7] "report_nb_subgraphs"    "rlecuyerSeed"           "spChkID"               
[10] "verbose"                "zeroPolicy"            
> if (require(parallel, quietly=TRUE)) {
+  nc <- max(2L, detectCores(logical=FALSE), na.rm = TRUE)-1L
+  nc
+ # set nc to 1L here
+  if (nc > 1L) nc <- 1L
+ #nc <- ifelse(nc > 2L, 2L, nc)
+  coresOpt <- get.coresOption()
+  coresOpt
+  if (!is.na(nc)) {
+   invisible(set.coresOption(nc))
+   print(exists("moran.mc"))
+   if(.Platform$OS.type == "windows") {
+ # forking not permitted on Windows - start cluster
+    print(get.mcOption())
+    cl <- makeCluster(get.coresOption())
+    print(clusterEvalQ(cl, exists("moran.mc")))
+    set.ClusterOption(cl)
+    clusterEvalQ(get.ClusterOption(), library(spdep))
+    print(clusterEvalQ(cl, exists("moran.mc")))
+    clusterEvalQ(get.ClusterOption(), detach(package:spdep))
+    set.ClusterOption(NULL)
+    print(clusterEvalQ(cl, exists("moran.mc")))
+    stopCluster(cl)
+   } else {
+    mcOpt <- get.mcOption()
+    print(mcOpt)
+    print(mclapply(1:get.coresOption(), function(i) exists("moran.mc"),
+     mc.cores=get.coresOption()))
+    invisible(set.mcOption(FALSE))
+    cl <- makeCluster(nc)
+    print(clusterEvalQ(cl, exists("moran.mc")))
+    set.ClusterOption(cl)
+    clusterEvalQ(get.ClusterOption(), library(spdep))
+    print(clusterEvalQ(cl, exists("moran.mc")))
+    clusterEvalQ(get.ClusterOption(), detach(package:spdep))
+    set.ClusterOption(NULL)
+    print(clusterEvalQ(cl, exists("moran.mc")))
+    stopCluster(cl)
+    invisible(set.mcOption(mcOpt))
+   }
+   invisible(set.coresOption(coresOpt))
+  }
+ }
[1] TRUE
[1] TRUE
[[1]]
[1] TRUE

Error in serverSocket(port = port) : 
  creation of server socket failed: port 11829 cannot be opened
Calls: makeCluster -> makePSOCKcluster -> serverSocket
Execution halted