* using log directory 'd:/Rcompile/CRANpkg/local/3.4/Directional.Rcheck'
* using R version 3.4.4 (2018-03-15)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'Directional/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'Directional' version '3.7'
* checking package namespace information ... OK
* checking package dependencies ... ERROR
Package required but not available: 'Rfast2'

See section 'The DESCRIPTION file' in the 'Writing R Extensions'
manual.
* DONE
Status: 1 ERROR