void PredictAllRatings()
{
Console.Write("Predicting ... max_item_id={0} ", rating_predictor.MaxItemID);
TimeSpan time = Utils.MeasureTime(delegate() {
// compute ratings
for (int i = 0; i <= rating_predictor.MaxItemID; i++)
{
predictions[i] = rating_predictor.Predict(current_user_id, i);
}
});
Console.Error.WriteLine("done ({0,0:0.##}).", time.TotalSeconds.ToString(CultureInfo.InvariantCulture));
}
