R/selescale.R

In adana: Adaptive Nature-Inspired Algorithms for Hybrid Genetic Optimization

Defines functions selescale

Documented in selescale

# exponent scaling
selescale = function(fitvals, ns, selb, ...){
  n = length(fitvals)
  if(missing(ns)) ns=n
  if(missing(selb)) selb=0.5
  fstar = exp((selb*fitvals))
  p = fstar/sum(fstar)
  matpool = sample(1:n, size=ns, prob=p, replace=TRUE)
  return(matpool)
}

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