From e26434979adc33bd949566ba7bf02dff64e80a3e Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cab.ark.cs.cmu.edu>
Date: Tue, 2 Oct 2012 00:19:43 -0400
Subject: cdec cleanup, remove bayesian stuff, parsing stuff

---
 gi/pyp-topics/src/train-contexts.cc | 174 ------------------------------------
 1 file changed, 174 deletions(-)
 delete mode 100644 gi/pyp-topics/src/train-contexts.cc

(limited to 'gi/pyp-topics/src/train-contexts.cc')

diff --git a/gi/pyp-topics/src/train-contexts.cc b/gi/pyp-topics/src/train-contexts.cc
deleted file mode 100644
index 9463f9fc..00000000
--- a/gi/pyp-topics/src/train-contexts.cc
+++ /dev/null
@@ -1,174 +0,0 @@
-// STL
-#include <iostream>
-#include <fstream>
-#include <algorithm>
-#include <iterator>
-
-// Boost
-#include <boost/program_options/parsers.hpp>
-#include <boost/program_options/variables_map.hpp>
-#include <boost/scoped_ptr.hpp>
-
-// Local
-#include "pyp-topics.hh"
-#include "corpus.hh"
-#include "contexts_corpus.hh"
-#include "gzstream.hh"
-
-static const char *REVISION = "$Rev$";
-
-// Namespaces
-using namespace boost;
-using namespace boost::program_options;
-using namespace std;
-
-int main(int argc, char **argv)
-{
- cout << "Pitman Yor topic models: Copyright 2010 Phil Blunsom\n";
- cout << REVISION << '\n' <<endl;
-
-  ////////////////////////////////////////////////////////////////////////////////////////////
-  // Command line processing
-  variables_map vm; 
-
-  // Command line processing
-  {
-    options_description cmdline_specific("Command line specific options");
-    cmdline_specific.add_options()
-      ("help,h", "print help message")
-      ("config,c", value<string>(), "config file specifying additional command line options")
-      ;
-    options_description config_options("Allowed options");
-    config_options.add_options()
-      ("data,d", value<string>(), "file containing the documents and context terms")
-      ("topics,t", value<int>()->default_value(50), "number of topics")
-      ("document-topics-out,o", value<string>(), "file to write the document topics to")
-      ("default-topics-out", value<string>(), "file to write default term topic assignments.")
-      ("topic-words-out,w", value<string>(), "file to write the topic word distribution to")
-      ("samples,s", value<int>()->default_value(10), "number of sampling passes through the data")
-      ("backoff-type", value<string>(), "backoff type: none|simple")
-//      ("filter-singleton-contexts", "filter singleton contexts")
-      ("hierarchical-topics", "Use a backoff hierarchical PYP as the P0 for the document topics distribution.")
-      ("freq-cutoff-start", value<int>()->default_value(0), "initial frequency cutoff.")
-      ("freq-cutoff-end", value<int>()->default_value(0), "final frequency cutoff.")
-      ("freq-cutoff-interval", value<int>()->default_value(0), "number of iterations between frequency decrement.")
-      ("max-threads", value<int>()->default_value(1), "maximum number of simultaneous threads allowed")
-      ("max-contexts-per-document", value<int>()->default_value(0), "Only sample the n most frequent contexts for a document.")
-      ("num-jobs", value<int>()->default_value(1), "allows finer control over parallelization")
-      ("temp-start", value<double>()->default_value(1.0), "starting annealing temperature.")
-      ("temp-end", value<double>()->default_value(1.0), "end annealing temperature.")
-      ;
-
-    cmdline_specific.add(config_options);
-
-    store(parse_command_line(argc, argv, cmdline_specific), vm); 
-    notify(vm);
-
-    if (vm.count("config") > 0) {
-      ifstream config(vm["config"].as<string>().c_str());
-      store(parse_config_file(config, config_options), vm); 
-    }
-
-    if (vm.count("help")) { 
-      cout << cmdline_specific << "\n"; 
-      return 1; 
-    }
-  }
-  ////////////////////////////////////////////////////////////////////////////////////////////
-
-  if (!vm.count("data")) {
-    cerr << "Please specify a file containing the data." << endl;
-    return 1;
-  }
-  assert(vm["max-threads"].as<int>() > 0);
-  assert(vm["num-jobs"].as<int>() > -1);
-  // seed the random number generator: 0 = automatic, specify value otherwise
-  unsigned long seed = 0; 
-  PYPTopics model(vm["topics"].as<int>(), vm.count("hierarchical-topics"), seed, vm["max-threads"].as<int>(), vm["num-jobs"].as<int>());
-
-  // read the data
-  BackoffGenerator* backoff_gen=0;
-  if (vm.count("backoff-type")) {
-    if (vm["backoff-type"].as<std::string>() == "none") {
-      backoff_gen = 0;
-    }
-    else if (vm["backoff-type"].as<std::string>() == "simple") {
-      backoff_gen = new SimpleBackoffGenerator();
-    }
-    else {
-     cerr << "Backoff type (--backoff-type) must be one of none|simple." <<endl;
-      return(1);
-    }
-  }
-
-  ContextsCorpus contexts_corpus;
-  contexts_corpus.read_contexts(vm["data"].as<string>(), backoff_gen, /*vm.count("filter-singleton-contexts")*/ false);
-  model.set_backoff(contexts_corpus.backoff_index());
-
-  if (backoff_gen) 
-    delete backoff_gen;
-
-  // train the sampler
-  model.sample_corpus(contexts_corpus, vm["samples"].as<int>(),
-                      vm["freq-cutoff-start"].as<int>(),
-                      vm["freq-cutoff-end"].as<int>(),
-                      vm["freq-cutoff-interval"].as<int>(),
-                      vm["max-contexts-per-document"].as<int>(),
-                      vm["temp-start"].as<double>(), vm["temp-end"].as<double>());
-
-  if (vm.count("document-topics-out")) {
-    ogzstream documents_out(vm["document-topics-out"].as<string>().c_str());
-
-    int document_id=0;
-    map<int,int> all_terms;
-    for (Corpus::const_iterator corpusIt=contexts_corpus.begin(); 
-         corpusIt != contexts_corpus.end(); ++corpusIt, ++document_id) {
-      vector<int> unique_terms;
-      for (Document::const_iterator docIt=corpusIt->begin();
-           docIt != corpusIt->end(); ++docIt) {
-        if (unique_terms.empty() || *docIt != unique_terms.back())
-          unique_terms.push_back(*docIt);
-        // increment this terms frequency
-        pair<map<int,int>::iterator,bool> insert_result = all_terms.insert(make_pair(*docIt,1));
-        if (!insert_result.second) 
-          all_terms[*docIt] = all_terms[*docIt] + 1;
-          //insert_result.first++;
-      }
-      documents_out << contexts_corpus.key(document_id) << '\t';
-      documents_out << model.max(document_id).first << " " << corpusIt->size() << " ||| ";
-      for (std::vector<int>::const_iterator termIt=unique_terms.begin();
-           termIt != unique_terms.end(); ++termIt) {
-        if (termIt != unique_terms.begin())
-          documents_out << " ||| ";
-       vector<std::string> strings = contexts_corpus.context2string(*termIt);
-       copy(strings.begin(), strings.end(),ostream_iterator<std::string>(documents_out, " "));
-        std::pair<int,PYPTopics::F> maxinfo = model.max(document_id, *termIt);
-        documents_out << "||| C=" << maxinfo.first << " P=" << maxinfo.second;
-
-      }
-      documents_out <<endl;
-    }
-    documents_out.close();
-
-    if (vm.count("default-topics-out")) {
-      ofstream default_topics(vm["default-topics-out"].as<string>().c_str());
-      default_topics << model.max_topic() <<endl;
-      for (std::map<int,int>::const_iterator termIt=all_terms.begin(); termIt != all_terms.end(); ++termIt) {
-       vector<std::string> strings = contexts_corpus.context2string(termIt->first);
-        default_topics << model.max(-1, termIt->first).first << " ||| " << termIt->second << " ||| ";
-       copy(strings.begin(), strings.end(),ostream_iterator<std::string>(default_topics, " "));
-        default_topics <<endl;
-      }
-    }
-  }
-
-  if (vm.count("topic-words-out")) {
-    ogzstream topics_out(vm["topic-words-out"].as<string>().c_str());
-    model.print_topic_terms(topics_out);
-    topics_out.close();
-  }
-
- cout <<endl;
-
-  return 0;
-}
-- 
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