protected override AlternatingLeastSquares CreateRecommender(Dictionary <string, Dictionary <string, double> > data)
{
var parameters = new AlternatingLeastSquaresParameters(factors: 3, regularization: 0, iterations: 15, useConjugateGradient: true);
var recommender = AlternatingLeastSquares.Fit(DataMatrix.Load(data), parameters);
return(recommender);
}
public IMatrixFactorizationRecommender FitModel()
{
var parameters = new AlternatingLeastSquaresParameters(
factors: this.Factors,
regularization: 0.01f,
iterations: 1,
useConjugateGradient: true,
calculateLossAtIteration: true);
var recommender = AlternatingLeastSquares.Fit(this.data !, parameters);
return(recommender);
}