• using R version 2.9.2 Patched (2009-09-24 r50222)
• using session charset: ASCII
• checking for file 'qdg/DESCRIPTION' ... OK
• checking extension type ... Package
• this is package 'qdg' version '1.0.0'
• checking package dependencies ... ERROR
  Packages required but not available:
  pcalg
  
  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