Examples with structures._SparseFeature structures._SparseFeature used on opensource projects

Example 96 with structures._SparseFeature

use of structures._SparseFeature in project IR_Base by Linda-sunshine.

the class MTCLinAdaptWithHDP method logit.

// Logit function is different from the father class.
@Override
protected double logit(_SparseFeature[] fvs, _Review r) {
    int k, n;
    double[] Au = r.getHDPThetaStar().getModel();
    // Bias term: w_s0*a0+b0.
    double sum = Au[0] * getSupWeights(0) + Au[m_dim];
    for (_SparseFeature fv : fvs) {
        n = fv.getIndex() + 1;
        k = m_featureGroupMap[n];
        sum += (Au[k] * getSupWeights(n) + Au[m_dim + k]) * fv.getValue();
    }
    return Utils.logistic(sum);
}