R/evalProb.R

In selfingTree: Genotype Probabilities in Intermediate Generations of Inbreeding Through Selfing

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globalVariables(c('ps'))

evalProb <- function(node.prob, x = 0, y = 0, z = 0, chunk.size = min(length(node.prob),75)){

    ## remove redundancies
    tab.prob <- table(node.prob)
    node.prob <- paste(tab.prob, names(tab.prob), sep = "*")
    
    ## in parts
    prob.split <- split(node.prob, ceiling(seq_along(node.prob)/chunk.size))
    
    value <- foreach(ps = 1:length(prob.split), .combine = "+") %do% {
        raw <- paste(prob.split[[ps]], collapse = "+")
        eval(parse(text = raw))
    }

    return(value)
    
}