private void initializeModel() {
TopicModel topicModel =
new TopicModel(
numTopics,
numTerms,
eta,
alpha,
RandomUtils.getRandom(),
terms,
numUpdatingThreads,
initialModelCorpusFraction == 0 ? 1 : initialModelCorpusFraction * totalCorpusWeight);
topicModel.setConf(getConf());
TopicModel updatedModel =
initialModelCorpusFraction == 0
? new TopicModel(numTopics, numTerms, eta, alpha, null, terms, numUpdatingThreads, 1)
: topicModel;
updatedModel.setConf(getConf());
docTopicCounts = new DenseMatrix(numDocuments, numTopics);
docTopicCounts.assign(1.0 / numTopics);
modelTrainer =
new ModelTrainer(topicModel, updatedModel, numTrainingThreads, numTopics, numTerms);
}
