* using log directory 'd:/Rcompile/CRANpkg/local/3.5/plothelper.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 'plothelper/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'plothelper' version '0.1.8'
* 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 'plothelper' 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 ... [17s] NOTE
raster_alpha: no visible global function definition for 'asplit'
Undefined global functions or variables:
  asplit
* 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 'plothelper-Ex.R' failed
The error most likely occurred in:

> ### Name: raster_alpha
> ### Title: Combine a Matrix of Colors and a Matrix of Alpha Values
> ### Aliases: raster_alpha
> 
> ### ** Examples
> 
> # A color matrix
> co=c("red", "yellow", "green", "blue")
> co=rbind(co, co, co)
> # An alpha matrix
> alp=c(1, 0.6, 0.3, 0.1)
> alp=rbind(alp, alp, alp)
> # Now combine the two
> result=raster_alpha(co, alp)
Error in asplit(color, 2) : could not find function "asplit"
Calls: raster_alpha
Execution halted
* checking PDF version of manual ... OK
* DONE
Status: 1 ERROR, 1 NOTE