• using R Under development (unstable) (2013-02-17 r61981)
• using platform: x86_64-w64-mingw32 (64-bit)
• using session charset: ISO8859-1
• checking for file 'bigrf/DESCRIPTION' ... OK
• this is package 'bigrf' version '0.1-1'
• checking package namespace information ... OK
• checking package dependencies ... ERROR
  Package required but not available: 'bigmemory'
  
  Packages suggested but not available for checking: 'doMC' 'doMPI'
  
  Package which this enhances but not available for checking: 'bigmemory'
  
  See the information on DESCRIPTION files in the chapter 'Creating R
  packages' of the 'Writing R Extensions' manual.