コード例 #1
0
ファイル: test_basic.py プロジェクト: swamidass/argweaver
    def test_post_plot(self):

        k = 6
        n = 1e4
        rho = 1.5e-8 * 50
        mu = 2.5e-8 * 50
        length = 10000
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)

        times = arghmm.get_time_points(ntimes=30)
        arghmm.discretize_arg(arg, times)

        pause()

        # save
        #arglib.write_arg("test/data/k4.arg", arg)
        #fasta.write_fasta("test/data/k4.fa", seqs)

        new_name = "n%d" % (k - 1)
        thread = list(
            arghmm.iter_chrom_thread(arg, arg[new_name], by_block=False))
        p = plot(cget(thread, 1), style="lines", ymin=times[1], ylog=10)

        # remove chrom
        new_name = "n%d" % (k - 1)
        arg = arghmm.remove_arg_thread(arg, new_name)

        model = arghmm.ArgHmm(arg,
                              seqs,
                              new_name=new_name,
                              times=times,
                              rho=rho,
                              mu=mu)
        print "states", len(model.states[0])
        print "muts", len(muts)
        print "recomb", len(model.recomb_pos) - 2, model.recomb_pos[1:-1]

        p.plot(model.recomb_pos, [10000] * len(model.recomb_pos),
               style="points")

        probs = arghmm.get_posterior_probs(model, length, verbose=True)
        print "done"

        high = list(arghmm.iter_posterior_times(model, probs, .95))
        low = list(arghmm.iter_posterior_times(model, probs, .05))
        p.gnuplot("set linestyle 2")
        p.plot(high, style="lines")
        p.gnuplot("set linestyle 2")
        p.plot(low, style="lines")

        #write_list("test/data/post_real.txt", cget(thread, 1))
        #write_list("test/data/post_high.txt", high)
        #write_list("test/data/post_low.txt", low)

        pause()
コード例 #2
0
ファイル: test_basic.py プロジェクト: bredelings/argweaver
    def test_post_plot(self):

        k = 6
        n = 1e4
        rho = 1.5e-8 * 50
        mu = 2.5e-8 * 50
        length = 10000
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)

        times = arghmm.get_time_points(ntimes=30)
        arghmm.discretize_arg(arg, times)

        pause()

        # save
        #arglib.write_arg("test/data/k4.arg", arg)
        #fasta.write_fasta("test/data/k4.fa", seqs)

        new_name = "n%d" % (k-1)
        thread = list(arghmm.iter_chrom_thread(arg, arg[new_name],
                                               by_block=False))
        p = plot(cget(thread, 1), style="lines", ymin=times[1],
                 ylog=10)

        # remove chrom
        new_name = "n%d" % (k-1)
        arg = arghmm.remove_arg_thread(arg, new_name)

        model = arghmm.ArgHmm(arg, seqs, new_name=new_name, times=times,
                              rho=rho, mu=mu)
        print "states", len(model.states[0])
        print "muts", len(muts)
        print "recomb", len(model.recomb_pos) - 2, model.recomb_pos[1:-1]

        p.plot(model.recomb_pos, [10000] * len(model.recomb_pos),
               style="points")

        probs = arghmm.get_posterior_probs(model, length, verbose=True)
        print "done"

        high = list(arghmm.iter_posterior_times(model, probs, .95))
        low = list(arghmm.iter_posterior_times(model, probs, .05))
        p.gnuplot("set linestyle 2")
        p.plot(high, style="lines")
        p.gnuplot("set linestyle 2")
        p.plot(low, style="lines")


        #write_list("test/data/post_real.txt", cget(thread, 1))
        #write_list("test/data/post_high.txt", high)
        #write_list("test/data/post_low.txt", low)

        pause()
コード例 #3
0
ファイル: test_basic.py プロジェクト: swamidass/argweaver
    def test_post_real(self):

        k = 3
        n = 1e4
        rho = 1.5e-8
        mu = 2.5e-8
        length = 100000
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)

        #arg = arglib.read_arg("test/data/real.arg")
        #seqs = fasta.read_fasta("test/data/real.fa")

        #arglib.write_arg("test/data/real.arg", arg)
        #fasta.write_fasta("test/data/real.fa", seqs)

        times = arghmm.get_time_points(maxtime=50000, ntimes=20)
        arghmm.discretize_arg(arg, times)

        new_name = "n%d" % (k - 1)
        thread = list(
            arghmm.iter_chrom_thread(arg, arg[new_name], by_block=False))
        tree = arg.get_marginal_tree(0)
        print tree.root.age
        treelib.draw_tree_names(tree.get_tree(), minlen=5, scale=4e-4)
        p = plot(cget(thread, 1), style="lines", ymin=10, ylog=10)

        #alignlib.print_align(seqs)

        # remove chrom
        keep = ["n%d" % i for i in range(k - 1)]
        arglib.subarg_by_leaf_names(arg, keep)
        arg = arglib.smcify_arg(arg)

        model = arghmm.ArgHmm(arg,
                              seqs,
                              new_name=new_name,
                              times=times,
                              rho=rho,
                              mu=mu)

        print "states", len(model.states[0])
        #print "muts", len(muts)
        print "recomb", len(model.recomb_pos) - 2, model.recomb_pos[1:-1]

        probs = arghmm.get_posterior_probs(model, length, verbose=True)

        high = list(arghmm.iter_posterior_times(model, probs, .95))
        low = list(arghmm.iter_posterior_times(model, probs, .05))
        p.plot(high, style="lines")
        p.plot(low, style="lines")

        pause()
コード例 #4
0
ファイル: test_basic.py プロジェクト: bredelings/argweaver
    def test_post_real(self):

        k = 3
        n = 1e4
        rho = 1.5e-8
        mu = 2.5e-8
        length = 100000
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)

        #arg = arglib.read_arg("test/data/real.arg")
        #seqs = fasta.read_fasta("test/data/real.fa")

        #arglib.write_arg("test/data/real.arg", arg)
        #fasta.write_fasta("test/data/real.fa", seqs)

        times = arghmm.get_time_points(maxtime=50000, ntimes=20)
        arghmm.discretize_arg(arg, times)

        new_name = "n%d" % (k - 1)
        thread = list(arghmm.iter_chrom_thread(arg, arg[new_name],
                                               by_block=False))
        tree = arg.get_marginal_tree(0)
        print tree.root.age
        treelib.draw_tree_names(tree.get_tree(), minlen=5, scale=4e-4)
        p = plot(cget(thread, 1), style="lines", ymin=10, ylog=10)

        #alignlib.print_align(seqs)

        # remove chrom
        keep = ["n%d" % i for i in range(k-1)]
        arglib.subarg_by_leaf_names(arg, keep)
        arg = arglib.smcify_arg(arg)

        model = arghmm.ArgHmm(arg, seqs, new_name=new_name, times=times,
                              rho=rho, mu=mu)

        print "states", len(model.states[0])
        #print "muts", len(muts)
        print "recomb", len(model.recomb_pos) - 2, model.recomb_pos[1:-1]

        probs = arghmm.get_posterior_probs(model, length, verbose=True)

        high = list(arghmm.iter_posterior_times(model, probs, .95))
        low = list(arghmm.iter_posterior_times(model, probs, .05))
        p.plot(high, style="lines")
        p.plot(low, style="lines")

        pause()
コード例 #5
0
ファイル: test_basic.py プロジェクト: swamidass/argweaver
    def test_post3(self):

        k = 3
        n = 1e4
        rho = 1.5e-8 * 3
        mu = 2.5e-8 * 100
        length = 10000
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        arg.prune()
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)

        times = arghmm.get_time_points(ntimes=10)
        arghmm.discretize_arg(arg, times)

        tree = arg.get_marginal_tree(0)
        treelib.draw_tree_names(tree.get_tree(), minlen=5, scale=4e-4)

        thread = list(arghmm.iter_chrom_thread(arg, arg["n2"], by_block=False))
        p = plot(cget(thread, 1), style="lines", ymin=0)

        # remove chrom
        keep = ["n0", "n1"]
        arglib.subarg_by_leaf_names(arg, keep)
        arg.set_ancestral()
        arg.prune()

        model = arghmm.ArgHmm(arg,
                              seqs,
                              new_name="n2",
                              times=times,
                              rho=rho,
                              mu=mu)
        print "states", len(model.states[0])
        print "muts", len(muts)
        print "recomb", len(model.recomb_pos) - 2, model.recomb_pos[1:-1]

        p.plot(model.recomb_pos, [1000] * len(model.recomb_pos),
               style="points")

        probs = arghmm.get_posterior_probs(model, length, verbose=True)

        high = list(arghmm.iter_posterior_times(model, probs, .95))
        low = list(arghmm.iter_posterior_times(model, probs, .05))
        p.plot(high, style="lines")
        p.plot(low, style="lines")

        pause()
コード例 #6
0
ファイル: test_basic.py プロジェクト: bredelings/argweaver
    def test_post3(self):

        k = 3
        n = 1e4
        rho = 1.5e-8 * 3
        mu = 2.5e-8 * 100
        length = 10000
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        arg.prune()
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)

        times = arghmm.get_time_points(ntimes=10)
        arghmm.discretize_arg(arg, times)


        tree = arg.get_marginal_tree(0)
        treelib.draw_tree_names(tree.get_tree(), minlen=5, scale=4e-4)

        thread = list(arghmm.iter_chrom_thread(arg, arg["n2"], by_block=False))
        p = plot(cget(thread, 1), style="lines", ymin=0)

        # remove chrom
        keep = ["n0", "n1"]
        arglib.subarg_by_leaf_names(arg, keep)
        arg.set_ancestral()
        arg.prune()


        model = arghmm.ArgHmm(arg, seqs, new_name="n2", times=times,
                              rho=rho, mu=mu)
        print "states", len(model.states[0])
        print "muts", len(muts)
        print "recomb", len(model.recomb_pos) - 2, model.recomb_pos[1:-1]


        p.plot(model.recomb_pos, [1000] * len(model.recomb_pos),
               style="points")

        probs = arghmm.get_posterior_probs(model, length, verbose=True)

        high = list(arghmm.iter_posterior_times(model, probs, .95))
        low = list(arghmm.iter_posterior_times(model, probs, .05))
        p.plot(high, style="lines")
        p.plot(low, style="lines")

        pause()
コード例 #7
0
ファイル: test_basic.py プロジェクト: swamidass/argweaver
    def test_post2(self):

        k = 2
        n = 1e4
        rho = 1.5e-8 * 10
        mu = 2.5e-8 * 10
        length = 10000
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)

        print "muts", len(muts)

        times = arghmm.get_time_points()
        arghmm.discretize_arg(arg, times)

        thread = list(arghmm.iter_chrom_thread(arg, arg["n1"], by_block=False))
        tree = arg.get_marginal_tree(0)
        print tree.root.age
        treelib.draw_tree_names(tree.get_tree(), minlen=5, scale=4e-4)
        p = plot(cget(thread, 1), style="lines", ymin=0)

        #alignlib.print_align(seqs)

        # remove chrom
        keep = ["n0"]
        arglib.subarg_by_leaf_names(arg, keep)
        arg = arglib.smcify_arg(arg)

        model = arghmm.ArgHmm(arg,
                              seqs,
                              new_name="n1",
                              times=times,
                              rho=rho,
                              mu=mu)
        print "states", len(model.states[0])

        probs = arghmm.get_posterior_probs(model, length, verbose=True)

        high = list(arghmm.iter_posterior_times(model, probs, .95))
        low = list(arghmm.iter_posterior_times(model, probs, .05))
        p.plot(high, style="lines")
        p.plot(low, style="lines")

        pause()
コード例 #8
0
ファイル: test_basic.py プロジェクト: swamidass/argweaver
    def test_plot_thread(self):
        """
        Test thread retrieval
        """

        k = 60
        n = 1e4
        rho = 1.5e-8 * 20
        mu = 2.5e-8 * 20
        length = int(1000e3) / 20
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)

        node = arg.leaves().next()
        x = range(length)
        y = cget(arghmm.iter_chrom_thread(arg, node, by_block=False), 1)

        p = plot(x, y, style='lines')

        pause()
コード例 #9
0
ファイル: test_basic.py プロジェクト: bredelings/argweaver
    def test_plot_thread(self):
        """
        Test thread retrieval
        """

        k = 60
        n = 1e4
        rho = 1.5e-8 * 20
        mu = 2.5e-8 * 20
        length = int(1000e3) / 20
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)

        node = arg.leaves().next()
        x = range(length)
        y = cget(arghmm.iter_chrom_thread(arg, node, by_block=False), 1)

        p = plot(x, y, style='lines')

        pause()
コード例 #10
0
ファイル: test_basic.py プロジェクト: swamidass/argweaver
    def test_thread(self):
        """
        Test thread retrieval
        """

        k = 10
        n = 1e4
        rho = 1.5e-8 * 10
        mu = 2.5e-8 * 100
        length = 1000
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)

        for (block, tree), threadi in izip(
                arglib.iter_tree_tracks(arg),
                arghmm.iter_chrom_thread(arg, arg["n9"], by_block=True)):
            print block
            print threadi
            treelib.draw_tree_names(tree.get_tree(), minlen=5, scale=4e-4)
コード例 #11
0
ファイル: test_basic.py プロジェクト: bredelings/argweaver
    def test_thread(self):
        """
        Test thread retrieval
        """

        k = 10
        n = 1e4
        rho = 1.5e-8 * 10
        mu = 2.5e-8 * 100
        length = 1000
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)

        for (block, tree), threadi in izip(
            arglib.iter_tree_tracks(arg),
            arghmm.iter_chrom_thread(arg, arg["n9"], by_block=True)):
            print block
            print threadi
            treelib.draw_tree_names(tree.get_tree(), minlen=5, scale=4e-4)
コード例 #12
0
ファイル: test_basic.py プロジェクト: bredelings/argweaver
    def test_post2(self):

        k = 2
        n = 1e4
        rho = 1.5e-8 * 10
        mu = 2.5e-8 * 10
        length = 10000
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)

        print "muts", len(muts)

        times = arghmm.get_time_points()
        arghmm.discretize_arg(arg, times)

        thread = list(arghmm.iter_chrom_thread(arg, arg["n1"], by_block=False))
        tree = arg.get_marginal_tree(0)
        print tree.root.age
        treelib.draw_tree_names(tree.get_tree(), minlen=5, scale=4e-4)
        p = plot(cget(thread, 1), style="lines", ymin=0)

        #alignlib.print_align(seqs)

        # remove chrom
        keep = ["n0"]
        arglib.subarg_by_leaf_names(arg, keep)
        arg = arglib.smcify_arg(arg)

        model = arghmm.ArgHmm(arg, seqs, new_name="n1", times=times,
                              rho=rho, mu=mu)
        print "states", len(model.states[0])

        probs = arghmm.get_posterior_probs(model, length, verbose=True)

        high = list(arghmm.iter_posterior_times(model, probs, .95))
        low = list(arghmm.iter_posterior_times(model, probs, .05))
        p.plot(high, style="lines")
        p.plot(low, style="lines")

        pause()
コード例 #13
0
ファイル: test_basic.py プロジェクト: swamidass/argweaver
    def test_emit_argmax(self):
        """
        Calculate emission probabilities
        """

        k = 10
        n = 1e4
        rho = 0.0
        mu = 2.5e-8 * 100
        length = 10000
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)

        times = arghmm.get_time_points(10)
        arghmm.discretize_arg(arg, times)

        new_name = "n%d" % (k - 1)
        thread = list(arghmm.iter_chrom_thread(arg, arg[new_name]))
        arg = arghmm.remove_arg_thread(arg, new_name)

        model = arghmm.ArgHmm(arg, seqs, new_name=new_name, times=times)

        nstates = model.get_num_states(1)
        probs = [0.0 for j in xrange(nstates)]
        for i in xrange(1, length):
            if i % 100 == 0:
                print i
            for j in xrange(nstates):
                probs[j] += model.prob_emission(i, j)
        print

        # is the maximum likelihood emission matching truth
        data = sorted(zip(probs, model.states[0]), reverse=True)
        pc(data[:20])

        state = (thread[0][0], times.index(thread[0][1]))

        print data[0][1], state
        assert data[0][1] == state
コード例 #14
0
ファイル: test_basic.py プロジェクト: bredelings/argweaver
    def test_emit_argmax(self):
        """
        Calculate emission probabilities
        """

        k = 10
        n = 1e4
        rho = 0.0
        mu = 2.5e-8 * 100
        length = 10000
        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)

        times = arghmm.get_time_points(10)
        arghmm.discretize_arg(arg, times)

        new_name = "n%d" % (k-1)
        thread = list(arghmm.iter_chrom_thread(arg, arg[new_name]))
        arg = arghmm.remove_arg_thread(arg, new_name)

        model = arghmm.ArgHmm(arg, seqs, new_name=new_name, times=times)

        nstates = model.get_num_states(1)
        probs = [0.0 for j in xrange(nstates)]
        for i in xrange(1, length):
            if i % 100 == 0:
                print i
            for j in xrange(nstates):
                probs[j] += model.prob_emission(i, j)
        print

        # is the maximum likelihood emission matching truth
        data = sorted(zip(probs, model.states[0]), reverse=True)
        pc(data[:20])

        state = (thread[0][0], times.index(thread[0][1]))

        print data[0][1], state
        assert data[0][1] == state
コード例 #15
0
ファイル: test_basic.py プロジェクト: swamidass/argweaver
    def test_determ(self):

        k = 8
        n = 1e4
        rho = 1.5e-8
        mu = 2.5e-8
        length = 100000

        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)
        times = arghmm.get_time_points(maxtime=50000, ntimes=20)
        arghmm.discretize_arg(arg, times)

        new_name = "n%d" % (k - 1)
        thread = list(
            arghmm.iter_chrom_thread(arg, arg[new_name], by_block=False))
        thread_clades = list(
            arghmm.iter_chrom_thread(arg,
                                     arg[new_name],
                                     by_block=True,
                                     use_clades=True))

        # remove chrom
        keep = ["n%d" % i for i in range(k - 1)]
        arglib.subarg_by_leaf_names(arg, keep)
        arg = arglib.smcify_arg(arg)

        model = arghmm.ArgHmm(arg,
                              seqs,
                              new_name=new_name,
                              times=times,
                              rho=rho,
                              mu=mu)

        for i, rpos in enumerate(model.recomb_pos[1:-1]):
            pos = rpos + 1

            model.check_local_tree(pos, force=True)

            #recomb = arghmm.find_tree_next_recomb(arg, pos - 1)
            tree = arg.get_marginal_tree(pos - .5)
            last_tree = arg.get_marginal_tree(pos - 1 - .5)
            states1 = model.states[pos - 1]
            states2 = model.states[pos]
            (recomb_branch, recomb_time), (coal_branch, coal_time) = \
                arghmm.find_recomb_coal(tree, last_tree, pos=rpos)
            recomb_time = times.index(recomb_time)
            coal_time = times.index(coal_time)

            determ = arghmm.get_deterministic_transitions(
                states1, states2, times, tree, last_tree, recomb_branch,
                recomb_time, coal_branch, coal_time)

            leaves1, time1, block1 = thread_clades[i]
            leaves2, time2, block2 = thread_clades[i + 1]
            if new_name in leaves1:
                leaves1.remove(new_name)
            if new_name in leaves2:
                leaves2.remove(new_name)
            node1 = arghmm.arg_lca(arg, leaves1, None, pos - 1).name
            node2 = arghmm.arg_lca(arg, leaves2, None, pos).name

            state1 = (node1, times.index(time1))
            state2 = (node2, times.index(time2))
            print pos, state1, state2
            try:
                statei1 = states1.index(state1)
                statei2 = states2.index(state2)
            except:
                print "states1", states1
                print "states2", states2
                raise

            statei3 = determ[statei1]
            print "  ", statei1, statei2, statei3, states2[statei3]
            if statei2 != statei3 and statei3 != -1:
                tree = tree.get_tree()
                treelib.remove_single_children(tree)
                last_tree = last_tree.get_tree()
                treelib.remove_single_children(last_tree)

                print "block1", block1
                print "block2", block2
                print "r=", (recomb_branch, recomb_time)
                print "c=", (coal_branch, coal_time)

                print "tree"
                treelib.draw_tree_names(tree, minlen=8, maxlen=8)

                print "last_tree"
                treelib.draw_tree_names(last_tree, minlen=8, maxlen=8)
                assert False
コード例 #16
0
ファイル: test_basic.py プロジェクト: bredelings/argweaver
    def test_determ(self):

        k = 8
        n = 1e4
        rho = 1.5e-8
        mu = 2.5e-8
        length = 100000

        arg = arglib.sample_arg(k, n, rho, start=0, end=length)
        muts = arglib.sample_arg_mutations(arg, mu)
        seqs = arglib.make_alignment(arg, muts)
        times = arghmm.get_time_points(maxtime=50000, ntimes=20)
        arghmm.discretize_arg(arg, times)

        new_name = "n%d" % (k - 1)
        thread = list(arghmm.iter_chrom_thread(arg, arg[new_name],
                                               by_block=False))
        thread_clades = list(arghmm.iter_chrom_thread(
            arg, arg[new_name], by_block=True, use_clades=True))

        # remove chrom
        keep = ["n%d" % i for i in range(k-1)]
        arglib.subarg_by_leaf_names(arg, keep)
        arg = arglib.smcify_arg(arg)

        model = arghmm.ArgHmm(arg, seqs, new_name=new_name, times=times,
                              rho=rho, mu=mu)


        for i, rpos in enumerate(model.recomb_pos[1:-1]):
            pos = rpos + 1

            model.check_local_tree(pos, force=True)

            #recomb = arghmm.find_tree_next_recomb(arg, pos - 1)
            tree = arg.get_marginal_tree(pos-.5)
            last_tree = arg.get_marginal_tree(pos-1-.5)
            states1 = model.states[pos-1]
            states2 = model.states[pos]
            (recomb_branch, recomb_time), (coal_branch, coal_time) = \
                arghmm.find_recomb_coal(tree, last_tree, pos=rpos)
            recomb_time = times.index(recomb_time)
            coal_time = times.index(coal_time)

            determ = arghmm.get_deterministic_transitions(
                states1, states2, times,
                tree, last_tree,
                recomb_branch, recomb_time,
                coal_branch, coal_time)


            leaves1, time1, block1 = thread_clades[i]
            leaves2, time2, block2 = thread_clades[i+1]
            if new_name in leaves1:
                leaves1.remove(new_name)
            if new_name in leaves2:
                leaves2.remove(new_name)
            node1 = arghmm.arg_lca(arg, leaves1, None, pos-1).name
            node2 = arghmm.arg_lca(arg, leaves2, None, pos).name

            state1 = (node1, times.index(time1))
            state2 = (node2, times.index(time2))
            print pos, state1, state2
            try:
                statei1 = states1.index(state1)
                statei2 = states2.index(state2)
            except:
                print "states1", states1
                print "states2", states2
                raise

            statei3 = determ[statei1]
            print "  ", statei1, statei2, statei3, states2[statei3]
            if statei2 != statei3 and statei3 != -1:
                tree = tree.get_tree()
                treelib.remove_single_children(tree)
                last_tree = last_tree.get_tree()
                treelib.remove_single_children(last_tree)

                print "block1", block1
                print "block2", block2
                print "r=", (recomb_branch, recomb_time)
                print "c=", (coal_branch, coal_time)

                print "tree"
                treelib.draw_tree_names(tree, minlen=8, maxlen=8)

                print "last_tree"
                treelib.draw_tree_names(last_tree, minlen=8, maxlen=8)
                assert False