my map reduces

mr_keyword_count.js

m = function(){
    kws = this.params.marketing_keyword;
    if(kws != undefined){
        words= kws.replace('+', ' ').split(' ');
        for(w in words){
            emit({word:words[w]}, {count:1});
        }
    }
};

r = function(key, values){
    c = 0;
    values.forEach(function(v){
        c += v['count']
    });
    return {count:c};
}

​db.tracker_event.mapReduce(m, r, {out: {replace:'mr_keyword_count'} });

mr_keywords_count.js

m = function(){
    kw = this.params.marketing_keyword;
    if(kw != undefined){
        emit({word:kw}, {count:1});
    }
};

r = function(key, values){
    c = 0;
    values.forEach(function(v){
        c += v['count']
    });
    return {count:c};
}

​db.tracker_event.mapReduce(m, r, {out: {replace:'mr_keywords_count'} });