Unique named functions with instance and total counts

mr_named_funcs.js

var map = function () {
    this.structure.keywords.keyword.forEach(
    	function (z) {
    		emit(z.name, {count_sum: z.count, count: 1});
		}
	);
}

var reduce = function (key, values) {
    var total = 0;
    var count = 0;
    var stotal = 0;
    for (var i = 0; i < values.length; i++) {
        stotal += values[i].count;
        total += values[i].count_sum;
	    count++;
    }
    return { count_sum:total, count: stotal };
}

db.malware.mapReduce(map,reduce, {out: "named_funcs" });