コード例 #1
0
    def test_create_kmers_within_HD(self):

        kmers = KmerHelper.create_kmers_within_HD("ACT", list("ACTEF"), 1)

        self.assertEqual(15, len(kmers))
        for i in range(15):
            self.assertTrue(set("ACT").intersection(set(kmers[i][1])))
コード例 #2
0
    def create_model(self, dataset: RepertoireDataset, k: int,
                     vector_size: int, batch_size: int, model_path: Path):

        model = Word2Vec(size=vector_size, min_count=1,
                         window=5)  # creates an empty model
        all_kmers = KmerHelper.create_all_kmers(
            k=k, alphabet=EnvironmentSettings.get_sequence_alphabet())
        all_kmers = [[kmer] for kmer in all_kmers]
        model.build_vocab(all_kmers)

        for kmer in all_kmers:
            sentences = KmerHelper.create_kmers_within_HD(
                kmer=kmer[0],
                alphabet=EnvironmentSettings.get_sequence_alphabet(),
                distance=1)
            model.train(sentences=sentences,
                        total_words=len(all_kmers),
                        epochs=model.epochs)

        model.save(str(model_path))

        return model