function averageRatingsBySeries()
{
    $series = loadAllSeries();
    $avgs = [];
    foreach ($series as $s) {
        array_push($avgs, [$s->id, averageRating($s->id)]);
    }
    return $avgs;
}
function loadRatingAsInt($id)
{
    return averageRating($id) == "Not rated yet" ? 0 : averageRating($id);
}