[R] Question about version argument of require() and library()

[James W. MacDonald]

Prof Brian Ripley wrote:

> Did you install this package with --with-package-versions?  The `version'
> argument picks up a particular versioned installed, not an ordinary
> install of the right version.

No I hadn't. That fixed it, and I do see the installWithVers argument to 
install.packages() for binary packages. Thanks for the help.

Best,

Jim


> 
> We have rather little documentation on versioned installs.
> 


-- 
James W. MacDonald
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
7410 CCGC
Ann Arbor MI 48109