Head Tails Breaks

headTails.js

function headTails(a, n){
    var breaks = []
    while(a.length){
        var avg = mean(a)
        breaks.push(avg)
        a = a.filter(function(d){ return d > avg })
    }
    return breaks
}

function mean(a){
    var total = a.reduce(function(p, v){ return p + v}, 0)
    return total/a.length
}

a = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 3, 4, 10, 100]