[R-sig-eco] help

[Mahnaz Rabbaniha]

Dear all

I have selected install package for install others , but i take this message

Error in install.packages(NULL, .libPaths()[1L], dependencies = NA,
type = type) :
  no packages were specified


what is the problem? For knowing the windows xp is the format of my computer.

thanks all
-- 
Mahnaz Rabbaniha
marine Ecologist, PhD
Iranian Fisheries Research Organization (IFRO)
P.O.Box: 14155-6116
Tehran, IRAN
Phone:   +98 21 44580953
Fax:       +98 21 44580583