Exemple #1
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    def _test_branch_prior_predup(self):
        """Test branch prior"""

        prep_dir("test/output/branch_prior_predup")
        # out = open("test/output/branch_prior/flies.nt.approx.txt", "w")
        out = sys.stderr
        treeid = "predup"

        tree = read_tree("test/data/flies.predup.tree")
        drawTree(tree)

        stree = read_tree("test/data/flies.stree")
        gene2species = phylo.read_gene2species("test/data/flies.smap")
        params = spidir.read_params("test/data/flies.param")
        birth = 0.4
        death = 0.39
        pretime = 1.0
        nsamples = 100

        recon = phylo.reconcile(tree, stree, gene2species)
        events = phylo.label_events(tree, recon)
        p = [
            spidir.branch_prior(tree, stree, recon, events, params, birth, death, pretime, nsamples, True)
            for i in xrange(30)
        ]
        p2 = [
            spidir.branch_prior(tree, stree, recon, events, params, birth, death, pretime, nsamples, False)
            for i in xrange(30)
        ]
        print >> out, "\t".join(map(str, [treeid, mean(p), sdev(p), mean(p2), sdev(p2)]))
Exemple #2
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    def _test_branch_prior_predup(self):
        """Test branch prior"""

        prep_dir("test/output/branch_prior_predup")
        #out = open("test/output/branch_prior/flies.nt.approx.txt", "w")
        out = sys.stderr
        treeid = "predup"

        tree = read_tree("test/data/flies.predup.tree")
        drawTree(tree)

        stree = read_tree("test/data/flies.stree")
        gene2species = phylo.read_gene2species("test/data/flies.smap")
        params = spidir.read_params("test/data/flies.param")
        birth = .4
        death = .39
        pretime = 1.0
        nsamples = 100

        recon = phylo.reconcile(tree, stree, gene2species)
        events = phylo.label_events(tree, recon)
        p = [
            spidir.branch_prior(tree, stree, recon, events, params, birth,
                                death, pretime, nsamples, True)
            for i in xrange(30)
        ]
        p2 = [
            spidir.branch_prior(tree, stree, recon, events, params, birth,
                                death, pretime, nsamples, False)
            for i in xrange(30)
        ]
        print >> out, "\t".join(
            map(str,
                [treeid, mean(p), sdev(p),
                 mean(p2), sdev(p2)]))
Exemple #3
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    def _test_branch_prior_samples(self):
        """Test branch prior"""

        prep_dir("test/output/branch_prior")

        treeids = os.listdir("test/data/flies")
        treeids = ["3"]

        for treeid in treeids:

            tree = read_tree("test/data/flies-duploss/%s/%s.tree" % (treeid, treeid))

            print treeid
            draw_tree(tree)

            stree = read_tree("test/data/flies.stree")
            gene2species = phylo.read_gene2species("test/data/flies.smap")
            params = spidir.read_params("test/data/flies.param")
            birth = 0.0012
            death = 0.0013
            pretime = 1.0
            nsamples = 100

            recon = phylo.reconcile(tree, stree, gene2species)
            events = phylo.label_events(tree, recon)

            p = [
                spidir.branch_prior(tree, stree, recon, events, params, birth, death, nsamples=nsamples, approx=True)
                for i in xrange(30)
            ]

            # row = [treeid,
            #       mean(p), exc_default(lambda: sdev(p), INF)]
            print treeid, p
Exemple #4
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    def test_branch_prior_simple1(self):
        """Test branch prior"""

        tree = treelib.parse_newick("((a1:1, b1:1):2, c1:3);")
        stree = treelib.parse_newick("((A:2, B:2):1, C:3);")

        gene2species = lambda x: x[0].upper()

        params = {
            "A": (1.0, 1.0),
            "B": (3.0, 3.0),
            "C": (4, 3.5),
            2: (2.0, 2.0),
            1: (1.0, 1.0),
            "baserate": (11.0, 10.0),
        }
        birth = 0.01
        death = 0.02
        pretime = 1.0
        nsamples = 1

        recon = phylo.reconcile(tree, stree, gene2species)
        events = phylo.label_events(tree, recon)
        # pd(mapdict(recon, key=lambda x: x.name, val=lambda x: x.name))
        # pd(mapdict(events, key=lambda x: x.name))

        p = spidir.branch_prior(
            tree, stree, recon, events, params, birth, death, nsamples=nsamples, approx=False, generate=1
        )

        tot = 0.0
        gs = list(frange(0.0001, 4, 0.01))
        gs = list(frange(1, 1.01, 0.01))
        for g in gs:
            pg = invgammaPdf(g, params["baserate"])
            pa = gammaPdf(tree.nodes["a1"].dist, [params["A"][0], params["A"][1] / (g * stree.nodes["A"].dist)])

            pb = gammaPdf(tree.nodes["b1"].dist, [params["B"][0], params["B"][1] / (g * stree.nodes["B"].dist)])

            pc = spidir.gammaSumPdf(
                tree.nodes["c1"].dist + tree.nodes[2].dist,
                2,
                [params["C"][0], params[2][0]],
                [params["C"][1] / (g * stree.nodes["C"].dist), params[2][1] / (g * stree.nodes[2].dist)],
                0.001,
            )

            print g, pg, pa, pb, pc
            tot += pg * pa * pb * pc
        tot /= len(gs)

        print (
            tree.nodes["c1"].dist + tree.nodes[2].dist,
            [params["C"][0], params[2][0]],
            [params["C"][1], params[2][1]],
        )

        print "C", p
        print "P", log(tot)
Exemple #5
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    def _test_branch_prior_approx(self):
        """Test branch prior"""

        prep_dir("test/output/branch_prior")
        out = open("test/output/branch_prior/flies.approx.txt", "w")
        out = sys.stderr

        treeids = os.listdir("test/data/flies")

        for treeid in treeids:

            tree = read_tree("test/data/flies-duploss/%s/%s.nt.tree" % (treeid, treeid))

            print treeid
            draw_tree(tree)

            stree = read_tree("test/data/flies.stree")
            gene2species = phylo.read_gene2species("test/data/flies.smap")
            params = spidir.read_params("test/data/flies.param")
            birth = 0.0012
            death = 0.0013
            pretime = 1.0
            nsamples = 100

            recon = phylo.reconcile(tree, stree, gene2species)
            events = phylo.label_events(tree, recon)
            p = [
                spidir.branch_prior(tree, stree, recon, events, params, birth, death, nsamples=nsamples, approx=False)
                for i in xrange(30)
            ]
            p2 = [
                spidir.branch_prior(tree, stree, recon, events, params, birth, death, nsamples=nsamples, approx=True)
                for i in xrange(30)
            ]

            row = [treeid, mean(p), exc_default(lambda: sdev(p), INF), mean(p2), exc_default(lambda: sdev(p2), INF)]

            print >> out, "\t".join(map(str, row))
            self.assert_(INF not in row and -INF not in row)

        out.close()
Exemple #6
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    def compute_cost(self, gtree):
        """
        Returns -log [P(topology) + P(branch)],
        min cost = min neg log prob = max log prob = max prob
        """
        recon = phylo.reconcile(gtree, self.stree, self.gene2species)
        events = phylo.label_events(gtree, recon)

        # optimize branch lengths
        spidir.find_ml_branch_lengths_hky(gtree, self.align, self.bgfreq, self.kappa,
                                          maxiter=10, parsinit=False)

        branchp = spidir.branch_prior(gtree, self.stree, recon, events,
                                      self.params, self.duprate, self.lossrate, self.pretime)
        topp = spidir.calc_birth_death_prior(gtree, self.stree, recon,
                                             self.duprate, self.lossrate, events)
        return -(topp + branchp)
Exemple #7
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    def _test_branch_prior_samples(self):
        """Test branch prior"""

        prep_dir("test/output/branch_prior")

        treeids = os.listdir("test/data/flies")
        treeids = ["3"]

        for treeid in treeids:

            tree = read_tree("test/data/flies-duploss/%s/%s.tree" %
                             (treeid, treeid))

            print treeid
            draw_tree(tree)

            stree = read_tree("test/data/flies.stree")
            gene2species = phylo.read_gene2species("test/data/flies.smap")
            params = spidir.read_params("test/data/flies.param")
            birth = .0012
            death = .0013
            pretime = 1.0
            nsamples = 100

            recon = phylo.reconcile(tree, stree, gene2species)
            events = phylo.label_events(tree, recon)

            p = [
                spidir.branch_prior(tree,
                                    stree,
                                    recon,
                                    events,
                                    params,
                                    birth,
                                    death,
                                    nsamples=nsamples,
                                    approx=True) for i in xrange(30)
            ]

            #row = [treeid,
            #       mean(p), exc_default(lambda: sdev(p), INF)]
            print treeid, p
Exemple #8
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    def test_branch_prior_simple1(self):
        """Test branch prior"""

        tree = treelib.parse_newick("((a1:1, b1:1):2, c1:3);")
        stree = treelib.parse_newick("((A:2, B:2):1, C:3);")

        gene2species = lambda x: x[0].upper()

        params = {
            "A": (1.0, 1.0),
            "B": (3.0, 3.0),
            "C": (4, 3.5),
            2: (2.0, 2.0),
            1: (1.0, 1.0),
            "baserate": (11.0, 10.0)
        }
        birth = .01
        death = .02
        pretime = 1.0
        nsamples = 1

        recon = phylo.reconcile(tree, stree, gene2species)
        events = phylo.label_events(tree, recon)
        #pd(mapdict(recon, key=lambda x: x.name, val=lambda x: x.name))
        #pd(mapdict(events, key=lambda x: x.name))

        p = spidir.branch_prior(tree,
                                stree,
                                recon,
                                events,
                                params,
                                birth,
                                death,
                                nsamples=nsamples,
                                approx=False,
                                generate=1)

        tot = 0.0
        gs = list(frange(.0001, 4, .01))
        gs = list(frange(1, 1.01, .01))
        for g in gs:
            pg = invgammaPdf(g, params["baserate"])
            pa = gammaPdf(
                tree.nodes["a1"].dist,
                [params["A"][0], params["A"][1] / (g * stree.nodes["A"].dist)])

            pb = gammaPdf(
                tree.nodes["b1"].dist,
                [params["B"][0], params["B"][1] / (g * stree.nodes["B"].dist)])

            pc = spidir.gammaSumPdf(
                tree.nodes["c1"].dist + tree.nodes[2].dist, 2,
                [params["C"][0], params[2][0]], [
                    params["C"][1] / (g * stree.nodes["C"].dist),
                    params[2][1] / (g * stree.nodes[2].dist)
                ], .001)

            print g, pg, pa, pb, pc
            tot += pg * pa * pb * pc
        tot /= len(gs)

        print(tree.nodes["c1"].dist + tree.nodes[2].dist,
              [params["C"][0], params[2][0]], [params["C"][1], params[2][1]])

        print "C", p
        print "P", log(tot)
Exemple #9
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    def _test_branch_prior_approx(self):
        """Test branch prior"""

        prep_dir("test/output/branch_prior")
        out = open("test/output/branch_prior/flies.approx.txt", "w")
        out = sys.stderr

        treeids = os.listdir("test/data/flies")

        for treeid in treeids:

            tree = read_tree("test/data/flies-duploss/%s/%s.nt.tree" %
                             (treeid, treeid))

            print treeid
            draw_tree(tree)

            stree = read_tree("test/data/flies.stree")
            gene2species = phylo.read_gene2species("test/data/flies.smap")
            params = spidir.read_params("test/data/flies.param")
            birth = .0012
            death = .0013
            pretime = 1.0
            nsamples = 100

            recon = phylo.reconcile(tree, stree, gene2species)
            events = phylo.label_events(tree, recon)
            p = [
                spidir.branch_prior(tree,
                                    stree,
                                    recon,
                                    events,
                                    params,
                                    birth,
                                    death,
                                    nsamples=nsamples,
                                    approx=False) for i in xrange(30)
            ]
            p2 = [
                spidir.branch_prior(tree,
                                    stree,
                                    recon,
                                    events,
                                    params,
                                    birth,
                                    death,
                                    nsamples=nsamples,
                                    approx=True) for i in xrange(30)
            ]

            row = [
                treeid,
                mean(p),
                exc_default(lambda: sdev(p), INF),
                mean(p2),
                exc_default(lambda: sdev(p2), INF)
            ]

            print >> out, "\t".join(map(str, row))
            self.assert_(INF not in row and -INF not in row)

        out.close()
Exemple #10
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    def test_branch_prior_simple2(self):
        """Test branch prior 2"""

        tree = treelib.parse_newick("((a1:2, a2:3):.4, b1:2);")
        stree = treelib.parse_newick("(A:2, B:2);")

        gene2species = lambda x: x[0].upper()

        params = {
            "A": (1.0, 1.0),
            "B": (3.0, 3.0),
            1: (1.0, 1.0),
            "baserate": (11.0, 10.0)
        }
        birth = .01
        death = .02
        pretime = 1.0
        nsamples = 100

        recon = phylo.reconcile(tree, stree, gene2species)
        events = phylo.label_events(tree, recon)
        #pd(mapdict(recon, key=lambda x: x.name, val=lambda x: x.name))
        #pd(mapdict(events, key=lambda x: x.name))

        p = spidir.branch_prior(tree,
                                stree,
                                recon,
                                events,
                                params,
                                birth,
                                death,
                                nsamples=nsamples,
                                approx=False)

        tot = 0.0

        gstart = 0.01
        gend = 3.0
        step = (gend - gstart) / 20.0
        s2 = step / 2.0
        gs = list(frange(gstart + s2, gend + s2, step))
        for g in gs:
            pg = invgammaPdf(g, params["baserate"])

            pa = 0.0

            for i in range(nsamples):

                t = birthdeath.sample_birth_wait_time(1, stree.nodes["A"].dist,
                                                      birth, death)
                #print t

                t2 = stree.nodes["A"].dist - t

                pa1 = gammaPdf(tree.nodes["a1"].dist,
                               [params["A"][0], params["A"][1] / (g * t2)])

                pa2 = gammaPdf(tree.nodes["a2"].dist,
                               [params["A"][0], params["A"][1] / (g * t2)])

                pb = spidir.gammaSumPdf(
                    tree.nodes["b1"].dist + tree.nodes[2].dist, 2,
                    [params["B"][0], params["A"][0]], [
                        params["B"][1] /
                        (g * stree.nodes["B"].dist), params["A"][1] / (g * t)
                    ], .001)

                if "nan" not in map(str, [pa1, pa2, pb]):
                    pa += pa1 * pa2 * pb / nsamples

            tot += pg * pa * step
        #tot /= len(gs)

        print "unfold", (tree.nodes["b1"].dist + tree.nodes[2].dist,
                         [params["B"][0], params["A"][0]], [
                             params["B"][1] / (g * stree.nodes["B"].dist),
                             params["A"][1] / (g * t)
                         ])

        print "C", p
        print "P", log(tot)
Exemple #11
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    def test_branch_prior_simple2(self):
        """Test branch prior 2"""

        tree = treelib.parse_newick("((a1:2, a2:3):.4, b1:2);")
        stree = treelib.parse_newick("(A:2, B:2);")

        gene2species = lambda x: x[0].upper()

        params = {"A": (1.0, 1.0), "B": (3.0, 3.0), 1: (1.0, 1.0), "baserate": (11.0, 10.0)}
        birth = 0.01
        death = 0.02
        pretime = 1.0
        nsamples = 100

        recon = phylo.reconcile(tree, stree, gene2species)
        events = phylo.label_events(tree, recon)
        # pd(mapdict(recon, key=lambda x: x.name, val=lambda x: x.name))
        # pd(mapdict(events, key=lambda x: x.name))

        p = spidir.branch_prior(tree, stree, recon, events, params, birth, death, nsamples=nsamples, approx=False)

        tot = 0.0

        gstart = 0.01
        gend = 3.0
        step = (gend - gstart) / 20.0
        s2 = step / 2.0
        gs = list(frange(gstart + s2, gend + s2, step))
        for g in gs:
            pg = invgammaPdf(g, params["baserate"])

            pa = 0.0

            for i in range(nsamples):

                t = birthdeath.sample_birth_wait_time(1, stree.nodes["A"].dist, birth, death)
                # print t

                t2 = stree.nodes["A"].dist - t

                pa1 = gammaPdf(tree.nodes["a1"].dist, [params["A"][0], params["A"][1] / (g * t2)])

                pa2 = gammaPdf(tree.nodes["a2"].dist, [params["A"][0], params["A"][1] / (g * t2)])

                pb = spidir.gammaSumPdf(
                    tree.nodes["b1"].dist + tree.nodes[2].dist,
                    2,
                    [params["B"][0], params["A"][0]],
                    [params["B"][1] / (g * stree.nodes["B"].dist), params["A"][1] / (g * t)],
                    0.001,
                )

                if "nan" not in map(str, [pa1, pa2, pb]):
                    pa += pa1 * pa2 * pb / nsamples

            tot += pg * pa * step
        # tot /= len(gs)

        print "unfold", (
            tree.nodes["b1"].dist + tree.nodes[2].dist,
            [params["B"][0], params["A"][0]],
            [params["B"][1] / (g * stree.nodes["B"].dist), params["A"][1] / (g * t)],
        )

        print "C", p
        print "P", log(tot)