R/perturb.R

In multiColl: Collinearity Detection in a Multiple Linear Regression Model

Defines functions perturb

Documented in perturb

perturb <-
function(x, mu, dv, tol=0.01){
  p = rnorm(length(x), mu, dv)
  x.p = x + p*tol*(norm(x,"2")/norm(p,"2"))
  return(x.p)
}

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