• using R Under development (unstable) (2012-05-19 r59366)
• using platform: x86_64-unknown-linux-gnu (64-bit)
• using session charset: UTF-8
• checking for file ‘LMERConvenienceFunctions/DESCRIPTION’ ... OK
• checking extension type ... Package
• this is package ‘LMERConvenienceFunctions’ version ‘1.6.8.2’
• 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 executable files ... OK
• checking whether package ‘LMERConvenienceFunctions’ can be installed ... OK
• checking installed package size ... OK
• checking package directory ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level 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 for unstated 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 ... 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 ‘LMERConvenienceFunctions-Ex.R’ failed
  The error most likely occurred in:
  
  > ### Name: plotDensity3d.fnc
  > ### Title: Kernel density estimation for two continuous variables.
  > ### Aliases: plotDensity3d.fnc
  > ### Keywords: hplot dynamic multivariate
  >
  > ### ** Examples
  >
  > if("LCFdata" %in% .packages(all.available=TRUE)){
  + library(LCFdata)
  + data(erpFz)
  + plotDensity3d.fnc(x = erpFz$LengthBc, y = erpFz$WMCc, plot.type = "contour")
  +
  + plotDensity3d.fnc(x = erpFz$LengthBc, y = erpFz$WMCc, plot.type = "persp",
  + phi = 10, theta = 30)
  +
  + if("rgl" %in% .packages(all.available = TRUE)){
  + library(rgl)
  + plotDensity3d.fnc(x = erpFz$LengthBc, y = erpFz$WMCc, plot.type = "persp3d")
  + }
  +
  + devAskNewPage(ask=FALSE)
  + }
  Warning in rgl.init(initValue) : RGL: GLX extension missing on server
  Warning in fun(libname, pkgname) : error in rgl_init
  Error in rgl.cur() : rgl_dev_getcurrent
  Calls: plotDensity3d.fnc ... persp3d -> persp3d.default -> clear3d -> .check3d -> rgl.cur
  Execution halted