• using R version 2.15.0 Patched (2012-05-21 r59376)
• using platform: i386-apple-darwin9.8.0 (32-bit)
• using session charset: ASCII
• checking for file 'RcmdrPlugin.TextMining/DESCRIPTION' ... OK
• checking extension type ... Package
• this is package 'RcmdrPlugin.TextMining' version '0.1-0'
• checking package dependencies ... ERROR
  Package required but not available: 'Rgraphviz'
  
  See the information on DESCRIPTION files in the chapter 'Creating R
  packages' of the 'Writing R Extensions' manual.
• elapsed time (check, wall clock): 0:01