perturb: Tools for evaluating collinearity

"perturb" evaluates collinearity by adding random noise to selected variables. "colldiag" calculates condition numbers and variance decomposition proportions to test for collinearity and uncover its sources.

Version: 2.05
Suggests: car, rms
Published: 2012-02-19
Author: John Hendrickx
Maintainer: John Hendrickx <John_Hendrickx at>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
Materials: NEWS
In views: SocialSciences
CRAN checks: perturb results


Reference manual: perturb.pdf
Package source: perturb_2.05.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X Mavericks binaries: r-release: perturb_2.05.tgz, r-oldrel: perturb_2.05.tgz
Old sources: perturb archive

Reverse dependencies:

Reverse suggests: tableplot