• using R version 2.14.0 RC (2011-10-24 r57417)
• using platform: i386-apple-darwin9.8.0 (32-bit)
• using session charset: ASCII
• checking for file 'pscl/DESCRIPTION' ... OK
• this is package 'pscl' version '1.04.1'
• checking package namespace information ... OK
• checking package dependencies ... ERROR
  Package required but not available: 'vcd'
  
  Packages suggested but not available for checking:
  'car' 'lmtest' 'sandwich' 'zoo'
  
  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