[R] How to install packages without Tcl/Tk interface

Hi, how to install packages without Tcl/Tk interface? For instance, if I run install.packages('R.oo'), I need to select Cran repository via graphic interface. How to avoid this? bye, Matej __ R-help@r-project.org mailing list

[R] How to list R object properties save workspace?

Hi, I am new to R and have a couple of questions. I know how to list all objects (with ls()), but how to list all properties of them? For instance, I found function object.size(), but I would also like to know whether one object is a dataset or just one vector (variable) or even only one value,