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/*
Copyright (c) 2009 Yahoo! Inc. All rights reserved. The copyrights
embodied in the content of this file are licensed under the BSD
(revised) open source license
*/
#include "vw.h"
#include "gd.h"
#include <stdlib.h>
int main(int argc, char *argv[]) {
drand48();
gd_vars *vars = vw(argc, argv);
float weighted_labeled_examples = global.weighted_examples - global.weighted_unlabeled_examples;
float best_constant = (global.weighted_labels - global.initial_t) / weighted_labeled_examples;
float constant_loss = (best_constant*(1.0 - best_constant)*(1.0 - best_constant)
+ (1.0 - best_constant)*best_constant*best_constant);
if (!global.quiet)
{
cerr.precision(4);
cerr << endl << "finished run";
cerr << endl << "number of examples = " << global.example_number;
cerr << endl << "weighted example sum = " << global.weighted_examples;
cerr << endl << "weighted label sum = " << global.weighted_labels;
cerr << endl << "average loss = " << global.sum_loss / global.weighted_examples;
cerr << endl << "best constant = " << best_constant;
if (global.min_label == 0. && global.max_label == 1. && best_constant < 1. && best_constant > 0.)
cerr << endl << "best constant's loss = " << constant_loss;
cerr << endl << "total feature number = " << global.total_features;
if (global.active_simulation)
cerr << endl << "total queries = " << global.queries << endl;
cerr << endl;
}
free(vars);
return 0;
}
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