Examples of KMeansMatrixFactorization


Examples of org.carrot2.matrix.factorization.KMeansMatrixFactorization

        this.maxIterations = maxIterations;
    }

    public void seed(DoubleMatrix2D A, DoubleMatrix2D U, DoubleMatrix2D V)
    {
        KMeansMatrixFactorization kMeansMatrixFactorization = new KMeansMatrixFactorization(
                A);
        kMeansMatrixFactorization.setK(U.columns());
        kMeansMatrixFactorization.setMaxIterations(maxIterations);
        kMeansMatrixFactorization.compute();

        U.assign(kMeansMatrixFactorization.getU());
        for (int r = 0; r < U.rows(); r++)
        {
            for (int c = 0; c < U.columns(); c++)
            {
                if (U.getQuick(r, c) < 0.001)
                {
                    U.setQuick(r, c, 0.05);
                }
            }
        }

        V.assign(kMeansMatrixFactorization.getV());
        for (int r = 0; r < V.rows(); r++)
        {
            for (int c = 0; c < V.columns(); c++)
            {
                if (V.getQuick(r, c) == 0)
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