public string EvaluateRandom()
{
var recommenderR = new MyMediaLite.RatingPrediction.Random();
recommenderR.Ratings = mydata;
recommenderR.Train();
return(recommenderR.DoCrossValidation().ToString());
}
//*********** Random Recommender
public List <int> getBestItemsRandom(string dataset, int userid, int recs)
{
var mydata = RatingData.Read(dataset);
//Create the recommender
var recommenderRandom = new MyMediaLite.RatingPrediction.Random();
//Give it the dataset
recommenderRandom.Ratings = mydata;
//Train it
recommenderRandom.Train();
/////////////
// Make the predictions
var user_recs = recommenderRandom.Recommend(userid, recs);
// get the recommendations
foreach (var i in user_recs)
{
mylist.Add(i.Item1);
}
return(mylist);
}
