* using log directory 'd:/Rcompile/CRANpkg/local/3.5/tanaka.Rcheck'
* using R version 3.5.3 (2019-03-11)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'tanaka/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'tanaka' version '0.1.3'
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'tanaka' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking R files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [7s] OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking examples ... ERROR
Running examples in 'tanaka-Ex.R' failed
The error most likely occurred in:

> ### Name: tanaka
> ### Title: Plot a Tanaka Map
> ### Aliases: tanaka
> 
> ### ** Examples
> 
> library(tanaka)
> library(raster)
Loading required package: sp
> library(sf)
Linking to GEOS 3.6.1, GDAL 2.2.3, PROJ 4.9.3
> com <- st_read(system.file("gpkg/com.gpkg", package = "tanaka"),
+                quiet = TRUE)
> ras <- raster(system.file("grd/elev.grd", package = "tanaka"))
> tanaka(ras)
> tanaka(ras, mask = com)
> tanaka(ras, breaks = seq(80,400,20),
+        legend.pos = "topright",
+        legend.title = "Elevation\n(meters)")
> tanaka(ras, nclass = 15,
+        col = hcl.colors(15, "YlOrRd"),
+        legend.pos = "topright",
+        legend.title = "Elevation\n(meters)")
Error in hcl.colors(15, "YlOrRd") : could not find function "hcl.colors"
Calls: tanaka -> plot -> plot.sfc_MULTIPOLYGON
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [14s] OK
  Running 'testthat.R' [13s]
* checking PDF version of manual ... OK
* DONE
Status: 1 ERROR