Test environments using R version 3.1.2 (2014-10-31) using platform: x86_64-w64-mingw32 (64-bit) using R version 3.1.2 (2014-10-31) using platform: x86_64-pc-linux-gnu (64-bit) R CMD check results There were no ERRORs, WARNINGs, or NOTEs.