R/getFitnesses_entropy.R

In edcurry/GABi: Framework for Generalized Subspace Pattern Mining

getFitnesses.entropy <- function(chr){
    score <- 0
    if(sum(chr)>1){
        features <- which(rowMeans(x[diffRows,chr==1])>fitnessArgs$consistency)
        score <- -length(setdiff(which(chr==1),fitnessArgs$tabu$samples))*sum(log(fitnessArgs$featureWeights[diffRows[setdiff(features,fitnessArgs$tabu$features)]]))
    }
    score
}