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2010 Apr 23
1
how to rotate elements in a vector and points in a plane
Dear R-helpers, I need two simple functions, I guess they exist in R, but I am unable to find them. The first function should cyclically rotate elements in a vector. ("guyrot" in the package "wavethresh" should do it, but there's some problem with its loading) The second function should rotate points in 2D by a given angle (about the defined point). Thanks for any advice Ondra Mikula