* using log directory 'd:/Rcompile/CRANpkg/local/3.0/ncdf4.helpers.Rcheck'
* using R version 3.0.2 (2013-09-25)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'ncdf4.helpers/DESCRIPTION' ... OK
* this is package 'ncdf4.helpers' version '0.3-2'
* checking package namespace information ... OK
* checking package dependencies ... ERROR
Package required but not available: 'ncdf4'

See the information on DESCRIPTION files in the chapter 'Creating R
packages' of the 'Writing R Extensions' manual.