predict

gistfile1.js

// simples would be return dataBase[word];
// string => array
function predict(word) {
    var needle = dataBase[word];

    if (!needle) {
        return [];
    }

    var total = _.reduce(needle, function (acc, el) {
        return acc + el;
    });

    needle = _.objToSortedArr(needle);

    return _(needle)
        .map(function (el) {
            el[1] = (el[1] / total).toFixed(3);
            return el;
        })
        .map(function (el) {
            return el.join(',');
        })
        .value();
}