Remove weights backup
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42e2be3263
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5826702fc7
@ -208,13 +208,9 @@ namespace bayesnet {
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// run out of features
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bool ascending = order_algorithm == Orders.ASC;
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std::mt19937 g{ 173 };
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torch::Tensor weights_backup;
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// LOG_SCOPE_FUNCTION(INFO);
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// LOG_F(INFO, "Train model...");
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while (!finished) {
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// Step 1: Build ranking with mutual information
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auto featureSelection = metrics.SelectKBestWeighted(weights_, ascending, n); // Get all the features sorted
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//LOG_S(INFO) << "1:featureSelection.size: " << featureSelection.size() << " featuresUsed.size: " << featuresUsed.size();
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VLOG_SCOPE_F(1, "featureSelection.size: %d featuresUsed.size: %d", featureSelection.size(), featuresUsed.size());
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if (order_algorithm == Orders.RAND) {
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std::shuffle(featureSelection.begin(), featureSelection.end(), g);
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@ -226,10 +222,8 @@ namespace bayesnet {
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);
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int k = pow(2, tolerance);
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int counter = 0; // The model counter of the current pack
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// LOG_S(INFO) << "k=" << k;
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VLOG_SCOPE_F(1, "k=%d", k);
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while (counter++ < k && featureSelection.size() > 0) {
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// LOG_S(INFO) << "2:counter: " << counter << " numItemsPack: " << numItemsPack << " featureSelection.size: " << featureSelection.size();
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VLOG_SCOPE_F(2, "counter: %d numItemsPack: %d featureSelection.size: %d", counter, numItemsPack, featureSelection.size());
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auto feature = featureSelection[0];
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featureSelection.erase(featureSelection.begin());
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@ -237,15 +231,10 @@ namespace bayesnet {
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model = std::make_unique<SPODE>(feature);
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model->fit(dataset, features, className, states, weights_);
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torch::Tensor ypred;
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//LOG_S(INFO) << "2:Begin model predict";
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ypred = model->predict(X_train);
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//LOG_S(INFO) << "2:End model predict";
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// Step 3.1: Compute the classifier amout of say
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weights_backup = weights_.clone();
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std::tie(weights_, alpha_t, finished) = update_weights(y_train, ypred, weights_);
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if (finished) {
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weights_ = weights_backup.clone();
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// LOG_S(INFO) << "2:** epsilon_t > 0.5 **";
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VLOG_SCOPE_F(2, "** epsilon_t > 0.5 **");
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break;
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}
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@ -257,23 +246,18 @@ namespace bayesnet {
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n_models++;
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}
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if (convergence && !finished) {
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//LOG_S(INFO) << "3:Begin ensemble predict";
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auto y_val_predict = predict(X_test);
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//LOG_S(INFO) << "3:End ensemble predict";
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double accuracy = (y_val_predict == y_test).sum().item<double>() / (double)y_test.size(0);
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if (priorAccuracy == 0) {
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priorAccuracy = accuracy;
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// LOG_S(INFO) << "3:First accuracyb_manage: " << std::to_string(priorAccuracy);
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VLOG_SCOPE_F(3, "First accuracy: %f", priorAccuracy);
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} else {
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delta = accuracy - priorAccuracy;
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}
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if (delta < convergence_threshold) {
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// LOG_S(INFO) << "3:* tolerance: " << tolerance << " numItemsPack: " << numItemsPack << " delta: " << delta << " prior: " << priorAccuracy << " current: " << accuracy << std::endl;
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VLOG_SCOPE_F(3, "(delta<threshold) tolerance: %d numItemsPack: %d delta: %f prior: %f current: %f", tolerance, numItemsPack, delta, priorAccuracy, accuracy);
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tolerance++;
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} else {
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// LOG_S(INFO) << "*Reset. tolerance: " << tolerance << " numItemsPack: " << numItemsPack << " delta: " << delta << " prior: " << priorAccuracy << " current: " << accuracy << std::endl;
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VLOG_SCOPE_F(3, "*(delta>=threshold) Reset. tolerance: %d numItemsPack: %d delta: %f prior: %f current: %f", tolerance, numItemsPack, delta, priorAccuracy, accuracy);
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tolerance = 0; // Reset the counter if the model performs better
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numItemsPack = 0;
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@ -287,16 +271,13 @@ namespace bayesnet {
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if (tolerance > maxTolerance) {
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if (numItemsPack < n_models) {
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notes.push_back("Convergence threshold reached & " + std::to_string(numItemsPack) + " models eliminated");
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// LOG_S(INFO) << "4:Convergence threshold reached & " << numItemsPack << " models eliminated" << " of " << n_models << std::endl;
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VLOG_SCOPE_F(4, "Convergence threshold reached & %d models eliminated of %d", numItemsPack, n_models);
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weights_ = weights_backup;
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for (int i = 0; i < numItemsPack; ++i) {
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significanceModels.pop_back();
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models.pop_back();
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n_models--;
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}
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} else {
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// LOG_S(INFO) << "4:Convergence threshold reached & 0 models eliminated n_models=" << n_models << " numItemsPack=" << numItemsPack;
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VLOG_SCOPE_F(4, "Convergence threshold reached & 0 models eliminated n_models=%d numItemsPack=%d", n_models, numItemsPack);
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notes.push_back("Convergence threshold reached & 0 models eliminated");
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}
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