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authorAvneesh Saluja <asaluja@gmail.com>2013-03-28 18:28:16 -0700
committerAvneesh Saluja <asaluja@gmail.com>2013-03-28 18:28:16 -0700
commit3d8d656fa7911524e0e6885647173474524e0784 (patch)
tree81b1ee2fcb67980376d03f0aa48e42e53abff222 /training/collapse_weights.cc
parentbe7f57fdd484e063775d7abf083b9fa4c403b610 (diff)
parent96fedabebafe7a38a6d5928be8fff767e411d705 (diff)
fixed conflicts
Diffstat (limited to 'training/collapse_weights.cc')
-rw-r--r--training/collapse_weights.cc110
1 files changed, 0 insertions, 110 deletions
diff --git a/training/collapse_weights.cc b/training/collapse_weights.cc
deleted file mode 100644
index dc480f6c..00000000
--- a/training/collapse_weights.cc
+++ /dev/null
@@ -1,110 +0,0 @@
-char const* NOTES =
- "ZF_and_E means unnormalized scaled features.\n"
- "For grammars with one nonterminal: F_and_E is joint,\n"
- "F_given_E and E_given_F are conditional.\n"
- "TODO: group rules by root nonterminal and then normalize.\n";
-
-
-#include <iostream>
-#include <fstream>
-#include <tr1/unordered_map>
-
-#include <boost/program_options.hpp>
-#include <boost/program_options/variables_map.hpp>
-#include <boost/functional/hash.hpp>
-
-#include "prob.h"
-#include "filelib.h"
-#include "trule.h"
-#include "weights.h"
-
-namespace po = boost::program_options;
-using namespace std;
-
-typedef std::tr1::unordered_map<vector<WordID>, prob_t, boost::hash<vector<WordID> > > MarginalMap;
-
-void InitCommandLine(int argc, char** argv, po::variables_map* conf) {
- po::options_description opts("Configuration options");
- opts.add_options()
- ("grammar,g", po::value<string>(), "Grammar file")
- ("weights,w", po::value<string>(), "Weights file")
- ("unnormalized,u", "Always include ZF_and_E unnormalized score (default: only if sum was >1)")
- ;
- po::options_description clo("Command line options");
- clo.add_options()
- ("config,c", po::value<string>(), "Configuration file")
- ("help,h", "Print this help message and exit");
- po::options_description dconfig_options, dcmdline_options;
- dconfig_options.add(opts);
- dcmdline_options.add(opts).add(clo);
-
- po::store(parse_command_line(argc, argv, dcmdline_options), *conf);
- if (conf->count("config")) {
- const string cfg = (*conf)["config"].as<string>();
- cerr << "Configuration file: " << cfg << endl;
- ifstream config(cfg.c_str());
- po::store(po::parse_config_file(config, dconfig_options), *conf);
- }
- po::notify(*conf);
-
- if (conf->count("help") || !conf->count("grammar") || !conf->count("weights")) {
- cerr << dcmdline_options << endl;
- cerr << NOTES << endl;
- exit(1);
- }
-}
-
-int main(int argc, char** argv) {
- po::variables_map conf;
- InitCommandLine(argc, argv, &conf);
- const string wfile = conf["weights"].as<string>();
- const string gfile = conf["grammar"].as<string>();
- vector<weight_t> w;
- Weights::InitFromFile(wfile, &w);
- MarginalMap e_tots;
- MarginalMap f_tots;
- prob_t tot;
- {
- ReadFile rf(gfile);
- assert(*rf.stream());
- istream& in = *rf.stream();
- cerr << "Computing marginals...\n";
- int lc = 0;
- while(in) {
- string line;
- getline(in, line);
- ++lc;
- if (line.empty()) continue;
- TRule tr(line, true);
- if (tr.GetFeatureValues().empty())
- cerr << "Line " << lc << ": empty features - may introduce bias\n";
- prob_t prob;
- prob.logeq(tr.GetFeatureValues().dot(w));
- e_tots[tr.e_] += prob;
- f_tots[tr.f_] += prob;
- tot += prob;
- }
- }
- bool normalized = (fabs(log(tot)) < 0.001);
- cerr << "Total: " << tot << (normalized ? " [normalized]" : " [scaled]") << endl;
- ReadFile rf(gfile);
- istream&in = *rf.stream();
- while(in) {
- string line;
- getline(in, line);
- if (line.empty()) continue;
- TRule tr(line, true);
- const double lp = tr.GetFeatureValues().dot(w);
- if (isinf(lp)) { continue; }
- tr.scores_.clear();
-
- cout << tr.AsString() << " ||| F_and_E=" << lp - log(tot);
- if (!normalized || conf.count("unnormalized")) {
- cout << ";ZF_and_E=" << lp;
- }
- cout << ";F_given_E=" << lp - log(e_tots[tr.e_])
- << ";E_given_F=" << lp - log(f_tots[tr.f_]) << endl;
- }
- return 0;
-}
-