Exemple #1
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    def test_jc(self):
        jc = spectraltree.Jukes_Cantor()
        observations, meta = spectraltree.simulate_sequences(
            seq_len=500,
            tree_model=self.reference_tree,
            seq_model=jc,
            mutation_rate=0.05,
            rng=np.random.default_rng(12345),
            alphabet='DNA')

        spectral_method = spectraltree.STDR(spectraltree.RAxML,
                                            spectraltree.JC_similarity_matrix)
        #spectral_method = spectraltree.STDR(spectraltree.NeighborJoining,spectraltree.JC_similarity_matrix)

        tree_rec = spectral_method.deep_spectral_tree_reconstruction(
            observations,
            spectraltree.JC_similarity_matrix,
            taxa_metadata=meta,
            threshhold=self.threshold,
            min_split=5,
            merge_method="least_square",
            verbose=False)

        self.assertTrue(spectraltree.topos_equal(self.reference_tree,
                                                 tree_rec))
Exemple #2
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    def test_hky_similarity(self):
        observationsHKY, metaHKY = spectraltree.simulate_sequences(
            seq_len=2_000,
            tree_model=self.reference_tree, 
            seq_model=spectraltree.HKY(kappa=1.5), 
            mutation_rate=0.1,
            rng=default_rng(543),
            alphabet="DNA")

        nj_hky = spectraltree.NeighborJoining(spectraltree.HKY_similarity_matrix(metaHKY))
        self.assertTrue(spectraltree.topos_equal(self.reference_tree, nj_hky(observationsHKY, metaHKY)))
Exemple #3
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    def test_jukes_cantor_similarity(self):
        observationsJC, metaJC = spectraltree.simulate_sequences(
            seq_len=400,
            tree_model=self.reference_tree,
            seq_model=spectraltree.Jukes_Cantor(),
            mutation_rate=0.1,
            rng=default_rng(345),
            alphabet="DNA")

        nj_jc = spectraltree.NeighborJoining(spectraltree.JC_similarity_matrix)
        self.assertTrue(spectraltree.topos_equal(self.reference_tree, nj_jc(observationsJC, metaJC)))  
Exemple #4
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 def test_hky(self):
     spectral_method = spectraltree.STR(spectraltree.RAxML,
                                        spectraltree.HKY_similarity_matrix(
                                            self.meta_hky),
                                        threshold=32,
                                        merge_method="least_square",
                                        num_gaps=1,
                                        min_split=5,
                                        verbose=False)
     self.assertTrue(
         spectraltree.topos_equal(
             self.reference_tree,
             spectral_method(self.observations_hky, self.meta_hky)))
    def test_hky(self):
        observationsHKY, metaHKY = spectraltree.simulate_sequences(
            seq_len=500,
            tree_model=self.reference_tree,
            seq_model=spectraltree.HKY(kappa=2),
            mutation_rate=0.1,
            rng=default_rng(234),
            alphabet="DNA")

        forrest = spectraltree.Forrest()
        self.assertTrue(
            spectraltree.topos_equal(self.reference_tree,
                                     forrest(observationsHKY, metaHKY)))
    def test_jukes_cantor(self):
        observationsJC, metaJC = spectraltree.simulate_sequences(
            seq_len=500,
            tree_model=self.reference_tree,
            seq_model=spectraltree.Jukes_Cantor(),
            mutation_rate=0.1,
            rng=default_rng(234),
            alphabet="DNA")

        forrest = spectraltree.Forrest()
        self.assertTrue(
            spectraltree.topos_equal(self.reference_tree,
                                     forrest(observationsJC, metaJC)))
Exemple #7
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    def test_jukes_cantor(self):
        # reference_tree = spectraltree.unrooted_birth_death_tree(num_taxa, birth_rate=1, rng=)
        # reference_tree = spectraltree.lopsided_tree(num_taxa)
        reference_tree = spectraltree.balanced_binary(8)

        jc = spectraltree.Jukes_Cantor(num_classes=2)
        observations, meta = spectraltree.simulate_sequences(
            seq_len=10_000,
            tree_model=reference_tree,
            seq_model=jc,
            mutation_rate=jc.p2t(0.98),
            rng=default_rng(678),
            alphabet="Binary")

        rg = spectraltree.RG(spectraltree.JC_distance_matrix)
        recoverd_tree = rg(observations, meta)
        print("(RF distance,F1 score):",
              spectraltree.compare_trees(reference_tree, recoverd_tree))
        self.assertTrue(spectraltree.topos_equal(
            reference_tree, recoverd_tree))  # this doesn't work very well