Exemplo n.º 1
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def test_direct():

    from dolo import yaml_import
    from dolo.algos.dtcscc.perturbations import approximate_controls
    from dolo.algos.dtcscc.time_iteration import time_iteration_direct, time_iteration

    model = yaml_import("examples/models/compat/rbc_full.yaml")

    # Check without complementarity conditions
    dr = time_iteration_direct(model, with_complementarities=False)
    ddr = time_iteration(model, with_complementarities=False)

    x0 = dr(dr.grid)
    x1 = ddr(dr.grid)

    print(abs(x1 - x0).max()<1e-5)


    # Check with complementarity conditions
    dr = time_iteration_direct(model, with_complementarities=True)
    ddr = time_iteration(model, with_complementarities=True)

    x0 = dr(dr.grid)
    x1 = ddr(dr.grid)

    print(abs(x1 - x0).max()<1e-5)
Exemplo n.º 2
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def test_omega_errors():

        from dolo import yaml_import
        from dolo.algos.dtcscc.time_iteration import time_iteration as time_iteration

        model = yaml_import('examples/models/rbc.yaml')

        from dolo.algos.dtcscc.perturbations import approximate_controls

        dr = approximate_controls(model)
        dr_global = time_iteration(model, smolyak_order=3, verbose=False, pert_order=1)

        sigma = model.covariances

        model.sigma = sigma

        s_0 = dr.S_bar

        from dolo.algos.dtcscc.accuracy import  omega

        res_1 = omega( model, dr, orders=[10,10], time_discount=0.96)
        res_2 = omega( model, dr_global)

        print(res_1)
        print(res_2)
Exemplo n.º 3
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def test_model_print():

    from dolo import yaml_import
    fname = 'examples/models/rbc_mfga.yaml'
    model = yaml_import(fname)

    print(model)
Exemplo n.º 4
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def test_denhaan_errors():

        from dolo import yaml_import
        from dolo.algos.fg.time_iteration import time_iteration as global_solve

        model = yaml_import('examples/models/rbc.yaml')

        from dolo.algos.fg.perturbations import approximate_controls

        dr = approximate_controls(model)

        dr_global = global_solve(model, interp_type='smolyak', smolyak_order=4, verbose=False)

        sigma = model.covariances

        model.sigma = sigma

        from dolo.algos.fg.accuracy import denhaanerrors

        denerr_1 = denhaanerrors(model, dr)
        denerr_2 = denhaanerrors(model, dr_global)

        print(denerr_1)
        print(denerr_2)
        print(denerr_2['max_errors'][0])


        assert( max(denerr_2['max_errors']) < 10-7) # errors with solyak colocations at order 4 are very small
Exemplo n.º 5
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def test_denhaan_errors():

    from dolo import yaml_import
    from dolo.algos.time_iteration import time_iteration as global_solve

    model = yaml_import('examples/models/rbc.yaml')

    from dolo.algos.perturbations import approximate_controls

    dr = approximate_controls(model)

    dr_global = global_solve(model,
                             interp_type='smolyak',
                             smolyak_order=4,
                             verbose=False)

    sigma = model.covariances

    model.sigma = sigma

    from dolo.algos.accuracy import denhaanerrors

    denerr_1 = denhaanerrors(model, dr)
    denerr_2 = denhaanerrors(model, dr_global)

    print(denerr_1)
    print(denerr_2)
    print(denerr_2['max_errors'][0])

    assert (max(denerr_2['max_errors']) < 10 - 7
            )  # errors with solyak colocations at order 4 are very small
Exemplo n.º 6
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def test_denhaan_errors():

        from dolo import yaml_import
        from dolo.algos.dtcscc.time_iteration import time_iteration as time_iteration

        model = yaml_import('examples/models/rbc.yaml')

        from dolo.algos.dtcscc.perturbations import approximate_controls

        dr = approximate_controls(model)

        dr_global = time_iteration(model, verbose=False)

        s0 = model.calibration['states']
        sigma = model.get_distribution().sigma

        from dolo.algos.dtcscc.accuracy import denhaanerrors

        denerr_1 = denhaanerrors(model, dr)
        denerr_2 = denhaanerrors(model, dr_global)

        print(denerr_1)
        print(denerr_2)
        print(denerr_2['max_errors'][0])


        assert( max(denerr_2['max_errors']) < 10-7) # errors with solyak colocations at order 4 are very small
Exemplo n.º 7
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def test_denhaan_errors():

    from dolo import yaml_import
    from dolo.algos.dtcscc.time_iteration import time_iteration as time_iteration

    model = yaml_import('examples/models/rbc.yaml')

    from dolo.algos.dtcscc.perturbations import approximate_controls

    dr = approximate_controls(model)

    dr_global = time_iteration(model, verbose=False)

    s0 = model.calibration['states']
    sigma = model.get_distribution().sigma

    from dolo.algos.dtcscc.accuracy import denhaanerrors

    denerr_1 = denhaanerrors(model, dr)
    denerr_2 = denhaanerrors(model, dr_global)

    print(denerr_1)
    print(denerr_2)
    print(denerr_2['max_errors'][0])

    assert (max(denerr_2['max_errors']) < 10 - 7
            )  # errors with solyak colocations at order 4 are very small
Exemplo n.º 8
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def test_options():

    from dolo import yaml_import
    fname = 'examples/models/rbc_dtmscc.yaml'
    model = yaml_import(fname)

    print(model.options)
Exemplo n.º 9
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def test_direct():

    from dolo import yaml_import
    from dolo.algos.dtcscc.perturbations import approximate_controls
    from dolo.algos.dtcscc.time_iteration import time_iteration_direct, time_iteration

    model = yaml_import("examples/models/rbc_full.yaml")

    # Check without complementarity conditions
    dr = time_iteration_direct(model, with_complementarities=False)
    ddr = time_iteration(model, with_complementarities=False)

    x0 = dr(dr.grid)
    x1 = ddr(dr.grid)

    print(abs(x1 - x0).max() < 1e-5)

    # Check with complementarity conditions
    dr = time_iteration_direct(model, with_complementarities=True)
    ddr = time_iteration(model, with_complementarities=True)

    x0 = dr(dr.grid)
    x1 = ddr(dr.grid)

    print(abs(x1 - x0).max() < 1e-5)
Exemplo n.º 10
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    def test_global_solution(self):
        from dolo import yaml_import, global_solve


        filename = 'examples/global_models/rbc.yaml'

        model = yaml_import(filename)

        print model.calibration['covariances']

        import time

        dr = global_solve(model, pert_order=1, maxit=500, smolyak_order=3, verbose=True, polish=False, method='newton')

        t1 = time.time()


        dr = global_solve(model, pert_order=1, maxit=5, smolyak_order=5, verbose=True, polish=False, method='newton')

        t2 = time.time()

        dr = global_solve(model, pert_order=1, maxit=5, interp_type='multilinear', verbose=True, polish=False, method='newton')

        t3 = time.time()

        print(t2-t1)
        print(t3-t2)
Exemplo n.º 11
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    def test_options(self):

        from dolo import yaml_import
        fname = 'examples/models/rbc_mfga.yaml'
        model = yaml_import(fname)

        print(model.options)
Exemplo n.º 12
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def test_mfg_model():

    from dolo import yaml_import

    # from dolo.algos.commands import time_iteration, simulate, evaluate_policy
    from dolo.algos.dtmscc.time_iteration import time_iteration
    from dolo.algos.dtmscc.value_iteration import evaluate_policy
    from dolo.algos.dtmscc.simulations import simulate, plot_decision_rule


    model = yaml_import("examples/models/sudden_stop.yaml")

    mdr = time_iteration(model)

    #
    sim = simulate(model, mdr, 0, horizon=50, n_exp=0) # irf
    assert(sim.shape==(50,6))
    sim = simulate(model, mdr, 0, horizon=50, n_exp=1) # one stochastic simulation
    assert(sim.shape==(50,6))
    sim = simulate(model, mdr, 0, horizon=50, n_exp=10) # many stochastic simulations
    assert(sim.shape==(10,50,6))


    mv = evaluate_policy(model, mdr, verbose=True, maxit=500)

    mv = evaluate_policy(model, mdr, verbose=True, maxit=500, initial_guess=mv)

    sim_v = simulate(model, mdr, 0, drv=mv, horizon=50, n_exp=10)
    sim_irf = simulate(model, mdr, 0, drv=mv, horizon=50, n_exp=0)

    sim_dr = plot_decision_rule(model, mdr, 'l')
    print(sim_dr)
Exemplo n.º 13
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def test_ergo_mc():

    from dolo import yaml_import, improved_time_iteration, ergodic_distribution
    model = yaml_import("examples/models/rbc_mc.yaml")
    sol = improved_time_iteration(model)
    Π, μ = ergodic_distribution(model, sol.dr)
    assert (μ.ndim == 2)
Exemplo n.º 14
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    def test_division(self):

        import yaml

        with open('examples/models/rbc.yaml') as f:
            txt = f.read()

        yaml_content = yaml.load(txt)
        yaml_content['equations']['transition'][0] += ' + 1/2 - 0.5' # modify first transition equation
        yaml_content['calibration']['alpha'] = '1/3'

        txt = yaml.dump(yaml_content)

        from dolo import yaml_import
        print(txt)

        model = yaml_import('nofile', txt=txt)

        alpha = model.get_calibration('alpha')

        print(alpha)

        assert( abs(alpha - 1.0/3.0) < 0.00000001)

        res = model.residuals()
        print( abs(res['transition'][0] ) )
        assert( abs(res['transition'][0]) < 0.00000001)
Exemplo n.º 15
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def test_dtcscc_model():

    # test a model defined with auxiliary variables
    from dolo import yaml_import
    model = yaml_import('examples/models/rbc_full.yaml')

    s = model.calibration['states']
    x = model.calibration['controls']
    X = x

    y = model.calibration['auxiliaries']
    
    E = model.calibration['shocks']
    V = model.calibration['values']
    p = model.calibration['parameters']


    S = model.functions['transition'](s,x,E,p)
    r = model.functions['arbitrage'](s,x,E,S,X,p)
    y = model.functions['auxiliary'](s,x,p)
    v = model.functions['value'](s,x,S,X,V,p)

    z = model.functions['expectation'](S, X, p)

    x1 = model.functions['direct_response'](s,z, p)

    print('x1')
    print(x)
    print(x1)

    assert(abs(x-x1).max()<1e-12)
Exemplo n.º 16
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    def test_global_solution(self):
        from dolo import yaml_import, global_solve


        filename = 'examples/global_models/rbc.yaml'

        model = yaml_import(filename)

        import time

        dr = global_solve(model, pert_order=2, maxit=5, smolyak_order=3, verbose=True, polish=True)

        t1 = time.time()


        dr = global_solve(model, pert_order=1, maxit=5, smolyak_order=5, verbose=True, polish=False)

        t2 = time.time()

        dr = global_solve(model, pert_order=1, maxit=5, interp_type='multilinear', verbose=True, polish=False)

        t3 = time.time()

        print(t2-t1)
        print(t3-t2)
Exemplo n.º 17
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    def test_options(self):

        from dolo import yaml_import
        fname = 'examples/models/rbc_mfga.yaml'
        model = yaml_import(fname)

        print( model.options )
Exemplo n.º 18
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def test_options():

    from dolo import yaml_import
    fname = 'examples/models/rbc_dtmscc.yaml'
    model = yaml_import(fname)

    print( model.options )
Exemplo n.º 19
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def test_mfg_model():

    from dolo import yaml_import

    # from dolo.algos.commands import time_iteration, simulate, evaluate_policy
    from dolo.algos.dtmscc.time_iteration import time_iteration
    from dolo.algos.dtmscc.value_iteration import evaluate_policy
    from dolo.algos.dtmscc.simulations import simulate, plot_decision_rule

    model = yaml_import("examples/models/compat/sudden_stop.yaml")
    print(model.exogenous)
    print(model.is_dtmscc())
    mdr = time_iteration(model)

    #
    sim = simulate(model, mdr, 0, horizon=50, n_exp=0)  # irf
    assert (sim.shape == (50, 6))
    sim = simulate(model, mdr, 0, horizon=50,
                   n_exp=1)  # one stochastic simulation
    assert (sim.shape == (50, 6))
    sim = simulate(model, mdr, 0, horizon=50,
                   n_exp=10)  # many stochastic simulations
    assert (sim.shape == (10, 50, 6))

    mv = evaluate_policy(model, mdr, verbose=True, maxit=500)

    mv = evaluate_policy(model, mdr, verbose=True, maxit=500, initial_guess=mv)

    sim_v = simulate(model, mdr, 0, drv=mv, horizon=50, n_exp=10)
    sim_irf = simulate(model, mdr, 0, drv=mv, horizon=50, n_exp=0)

    sim_dr = plot_decision_rule(model, mdr, 'l')
    print(sim_dr)
Exemplo n.º 20
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def test_omega_errors():

    from dolo import yaml_import
    from dolo.algos.time_iteration import time_iteration as global_solve

    model = yaml_import('examples/models/rbc.yaml')

    from dolo.algos.perturbations import approximate_controls

    dr = approximate_controls(model)
    dr_global = global_solve(model,
                             smolyak_order=3,
                             verbose=False,
                             pert_order=1)

    sigma = model.covariances

    model.sigma = sigma

    s_0 = dr.S_bar

    from dolo.algos.accuracy import omega

    res_1 = omega(model, dr, orders=[10, 10], time_discount=0.96)
    res_2 = omega(model, dr_global)
    print(res_1)
    print(res_2)
Exemplo n.º 21
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def solve_something(name, args):

    from dolo import yaml_import
    from dolo.algos.time_iteration import time_iteration as global_solve

    model = yaml_import('examples/models/{}.yaml'.format(name))
    dr = global_solve(model, **args)
    return dr
Exemplo n.º 22
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def test_web_import():

    from dolo import yaml_import

    model = yaml_import(
        "https://raw.githubusercontent.com/EconForge/dolo/master/examples/models/rbc.yaml"
    )
    assert (len(model.symbols['states']) == 2)
Exemplo n.º 23
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def solve_something(name, args):

    from dolo import yaml_import
    from dolo.algos.time_iteration import time_iteration as global_solve

    model = yaml_import('examples/models/{}.yaml'.format(name))
    dr = global_solve(model, **args)
    return dr
Exemplo n.º 24
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def test_egm_iid():

    from dolo import yaml_import
    from dolo.algos.egm import egm
    import numpy as np

    model = yaml_import("examples/models/consumption_savings_iid.yaml")
    sol = egm(model, a_grid=np.linspace(0.1, 10, 10) ** 2, verbose=True)
Exemplo n.º 25
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def process(txt):
    # model = yaml_import(None, txt=txt)
    # s = model._repr_html_()
    try:
        s = yaml_import(None, txt=txt, check_only=True)
        s = "<div>"+s+"</div>"
    except:
        s = "Failed"
    return HTML(s)
Exemplo n.º 26
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def test_time_iteration_smolyak():
    from dolo import yaml_import, time_iteration

    filename = 'examples/models/rbc.yaml'

    model = yaml_import(filename)

    import time

    dr = time_iteration(model, pert_order=1, maxit=500, verbose=True)
Exemplo n.º 27
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def test_irf():

    from dolo import yaml_import, perturb, response
    import numpy as np

    model = yaml_import("examples/models/rbc.yaml")
    dr = perturb(model).dr

    irf = response(model, dr, "e_z")
    print(irf)
Exemplo n.º 28
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def test_time_iteration_smolyak():
    from dolo import yaml_import, time_iteration


    filename = 'examples/models/rbc.yaml'

    model = yaml_import(filename)

    import time

    dr = time_iteration(model, pert_order=1, maxit=500, smolyak_order=3, verbose=True)
Exemplo n.º 29
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def test_time_iteration_spline():

    import time
    from dolo import yaml_import, time_iteration

    filename = 'examples/models/rbc.yaml'

    model = yaml_import(filename)
    print(model.__class__)

    dr = time_iteration(model, pert_order=1, maxit=5, verbose=True)
Exemplo n.º 30
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def test_vfi():

    from dolo.algos.value_iteration import value_iteration as value_iteration, evaluate_policy
    from dolo import yaml_import
    from dolo.algos.time_iteration import time_iteration

    model_iid = yaml_import('examples/models/rbc_iid.yaml')

    # mdr = time_iteration(model_iid, with_complementarities=False, verbose=False)
    # drv = evaluate_policy(model_iid, mdr)

    dr_iid = value_iteration(model_iid, verbose=True, maxit=5)
Exemplo n.º 31
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def test_dtcscc__functions():

    # test a model defined without auxiliary variables
    from dolo import yaml_import
    model = yaml_import('examples/models/rbc_fg.yaml')

    s = model.calibration['states']
    x = model.calibration['controls']
    e = model.calibration['shocks']
    p = model.calibration['parameters']

    r = model.functions['arbitrage'](s,x,e,s,x,p)
Exemplo n.º 32
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def test_markov_chain():

    from dolo import yaml_import
    fname = 'examples/models/rbc_mfga.yaml'
    model = yaml_import(fname)

    from dolo.numeric.discretization import multidimensional_discretization
    import numpy
    sigma = numpy.array([[0.01]])
    rho = 0.01
    [P,Q] = multidimensional_discretization(rho, sigma, 3)

    print(model.markov_chain)
Exemplo n.º 33
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    def test_global_solution(self):
        from dolo import yaml_import, global_solve


        filename = 'examples/global_models/rbc.yaml'

        model = yaml_import(filename)

        import time

        t1 = time.time()

        dr = global_solve(model, pert_order=2, maxit=5, interp_type='spline', verbose=True)
Exemplo n.º 34
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def test_time_iteration_spline():

    import time
    from dolo import yaml_import, time_iteration


    filename = 'examples/models/rbc.yaml'

    model = yaml_import(filename)
    print(model.__class__)


    dr = time_iteration(model, pert_order=1, maxit=5, verbose=True)
Exemplo n.º 35
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    def test_global_solution(self):

        from dolo import yaml_import, time_iteration

        filename = 'examples/models/rbc.yaml'

        model = yaml_import(filename)

        import time

        t1 = time.time()

        dr = time_iteration(model, pert_order=1, maxit=5, verbose=True)
def test_fga_higher_order_perturbations():

    from dolo import yaml_import
    from dolo.algos.dtcscc.perturbations_higher_order import approximate_controls

    model = yaml_import('examples/models/rbc.yaml')
    # for i in [1,2,3]:
    dr1 = approximate_controls(model, order=1)
    dr2 = approximate_controls(model, order=2)
    dr3 = approximate_controls(model, order=3)

    assert(dr1.order==1)
    assert(dr1.X_s.ndim==2)
    assert(dr3.X_ss.ndim==3)
Exemplo n.º 37
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def finite_time_iteration():
    from dolo import yaml_import, time_iteration
    from dolo.numeric.decision_rule import CustomDR
    import matplotlib.pyplot as plt

    model = yaml_import("examples/models/consumption_savings_iid.yaml")

    # in the near future this will become:
    # """c[t] = w[t]"""
    values = {"c": "w"}

    edr = CustomDR(values, model)

    sol = time_iteration(model, dr0=edr, maxit=5, trace=True)
def test_fga_higher_order_perturbations():

    from dolo import yaml_import
    from dolo.algos.dtcscc.perturbations_higher_order import approximate_controls

    model = yaml_import('examples/models/rbc.yaml')
    # for i in [1,2,3]:
    dr1 = approximate_controls(model, order=1)
    dr2 = approximate_controls(model, order=2)
    dr3 = approximate_controls(model, order=3)

    assert (dr1.order == 1)
    assert (dr1.X_s.ndim == 2)
    assert (dr3.X_ss.ndim == 3)
Exemplo n.º 39
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    def test_global_solution(self):

        from dolo import yaml_import, time_iteration


        filename = 'examples/models/rbc.yaml'

        model = yaml_import(filename)

        import time

        t1 = time.time()

        dr = time_iteration(model, pert_order=1, maxit=5, verbose=True)
Exemplo n.º 40
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def test_parameterized_expectations():

    from dolo import yaml_import
    from dolo.algos.dtcscc.parameterized_expectations import parameterized_expectations
    from dolo.algos.dtcscc.time_iteration import time_iteration

    model = yaml_import("examples/models/compat/rbc_full.yaml")

    dr_ti = time_iteration(model)
    dr_pea = parameterized_expectations(model, direct=False)

    x_ti = dr_ti(dr_ti.grid)
    x_pea = dr_pea(dr_ti.grid)

    print(abs(x_ti - x_pea).max() < 1e-5)
def test_parameterized_expectations():

    from dolo import yaml_import
    from dolo.algos.dtcscc.parameterized_expectations import parameterized_expectations
    from dolo.algos.dtcscc.time_iteration import time_iteration

    model = yaml_import("examples/models/compat/rbc_full.yaml")

    dr_ti = time_iteration(model)
    dr_pea = parameterized_expectations(model, direct=False)

    x_ti = dr_ti(dr_ti.grid)
    x_pea = dr_pea(dr_ti.grid)

    print(abs(x_ti - x_pea).max() < 1e-5)
Exemplo n.º 42
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def test_direct():

    from dolo import yaml_import
    from dolo.algos.dtcscc.perturbations import approximate_controls
    from dolo.algos.dtcscc.time_iteration import time_iteration_direct, time_iteration

    model = yaml_import("examples/models/rbc_full.yaml")

    dr = time_iteration_direct(model)
    ddr = time_iteration(model)

    x0 = dr(dr.grid)
    x1 = ddr(dr.grid)

    print(abs(x1 - x0).max() < 1e-5)
Exemplo n.º 43
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def test_direct():

    from dolo import yaml_import
    from dolo.algos.dtcscc.perturbations import approximate_controls
    from dolo.algos.dtcscc.time_iteration import time_iteration_direct, time_iteration

    model = yaml_import("examples/models/rbc_full.yaml")

    dr = time_iteration_direct(model)
    ddr = time_iteration(model)

    x0 = dr(dr.grid)
    x1 = ddr(dr.grid)

    print(abs(x1 - x0).max()<1e-5)
Exemplo n.º 44
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def test_eval_formula():

    from dolo.compiler.eval_formula import eval_formula
    from dolo import yaml_import, approximate_controls, simulate

    model = yaml_import('examples/models/rbc.yaml')
    dr = approximate_controls(model)
    sim = simulate(model, dr)

    rr = eval_formula("delta*k-i", sim, context=model.calibration)
    rr = eval_formula("y(1) - y", sim, context=model.calibration)

    sim['diff'] = model.eval_formula("delta*k-i", sim)
    model.eval_formula("y(1) - y", sim)
    sim['ddiff'] = model.eval_formula("diff(1)-diff(-1)", sim)
Exemplo n.º 45
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def test_vfi():

    from dolo.algos.value_iteration import value_iteration as value_iteration, evaluate_policy
    from dolo import yaml_import
    from dolo.algos.time_iteration import time_iteration

    model_iid = yaml_import('examples/models/rbc_dtcc_iid_ar1.yaml')

    endo_grid = model_iid.get_grid()
    exo_grid = model_iid.exogenous.discretize()

    mdr = time_iteration(model_iid)

    drv = evaluate_policy(model_iid, mdr)

    dr_iid = value_iteration(model_iid, verbose=True, maxit=5)
Exemplo n.º 46
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def test_eval_formula():

    from dolo.compiler.eval_formula import eval_formula
    from dolo import yaml_import, time_iteration, simulate

    model = yaml_import('examples/models/rbc.yaml')
    dr = time_iteration(model)
    sim = simulate(model, dr)
    sim = sim.sel(N=0)
    sim = sim.to_pandas()

    rr = eval_formula("delta*k-i", sim, context=model.calibration)
    rr = eval_formula("y(1) - y", sim, context=model.calibration)

    sim['diff'] = model.eval_formula("delta*k-i", sim)
    model.eval_formula("y(1) - y", sim)
    sim['ddiff'] = model.eval_formula("diff(1)-diff(-1)", sim)
Exemplo n.º 47
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def test_big_system():
    from dolo import yaml_import
    from dolo.algos.dtcscc.nonlinearsystem import nonlinear_system

    from dolo.algos.dtcscc.time_iteration import time_iteration

    model = yaml_import('examples/models/compat/rbc.yaml')

    dr = time_iteration(model, grid={'type': 'smolyak', 'mu': 3}, verbose=True)
    sol = nonlinear_system(model, grid={'type': 'smolyak', 'mu': 3})

    diff = (sol.__values__) - dr.__values__
    assert(abs(diff).max() < 1e-6)

    sol_high_precision = nonlinear_system(model, grid={'type': 'smolyak', 'mu': 5}, initial_dr=sol)

    assert(sol_high_precision.grid.shape == (145, 2))
Exemplo n.º 48
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def test_big_system():
    from dolo import yaml_import
    from dolo.algos.dtcscc.nonlinearsystem import nonlinear_system

    from dolo.algos.dtcscc.time_iteration import time_iteration

    model = yaml_import("examples/models/rbc.yaml")

    dr = time_iteration(model, grid={"type": "smolyak", "mu": 3}, verbose=True)
    sol = nonlinear_system(model, grid={"type": "smolyak", "mu": 3})

    diff = (sol.__values__) - dr.__values__
    assert abs(diff).max() < 1e-6

    sol_high_precision = nonlinear_system(model, grid={"type": "smolyak", "mu": 5}, initial_dr=sol)

    assert sol_high_precision.grid.shape == (145, 2)
Exemplo n.º 49
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    def test_global_solution(self):

        from dolo import yaml_import, global_solve

        filename = 'examples/models/rbc.yaml'

        model = yaml_import(filename)

        import time

        t1 = time.time()

        print('ok')
        dr = global_solve(model,
                          pert_order=1,
                          maxit=5,
                          interp_type='spline',
                          verbose=True)
Exemplo n.º 50
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    def test_global_solution(self):

        import time
        from dolo import yaml_import, global_solve


        filename = 'examples/models/rbc.yaml'

        model = yaml_import(filename)
        print(model.__class__)

        t3 = time.time()

        dr = global_solve(model, pert_order=1, maxit=5, interp_type='spline', verbose=True, interp_orders=[100,100])

        t4 = time.time()


        print(t4-t3)
Exemplo n.º 51
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def model_evaluation(compiler='numpy', data_layout='columns'):

    from dolo import yaml_import

    #model = yaml_import('examples/models/rbc_fg.yaml', compiler=compiler, order=data_layout)
    model = yaml_import('examples/models/rbc_fg.yaml')

    s0 = model.calibration['states']
    x0 = model.calibration['controls']
    e0 = model.calibration['shocks']
    p = model.calibration['parameters']

    assert(s0.ndim == 1)
    assert(x0.ndim == 1)
    assert(p.ndim == 1)

    N = 10
    f = model.functions['arbitrage']

    if data_layout == 'rows':
        ss = numpy.ascontiguousarray( numpy.tile(s0, (N,1)).T )
        xx = numpy.ascontiguousarray( numpy.tile(x0, (N,1)).T )
        ee = e0[:,None].repeat(N,axis=1)
    else:
        ss = ( numpy.tile(s0, (N,1)) )
        xx = ( numpy.tile(x0, (N,1)) )
        ee = e0[None,:].repeat(N,axis=0)

    ss = s0[None,:].repeat(N,axis=0)
    xx = x0[None,:].repeat(N,axis=0)
    ee = e0[None,:].repeat(N,axis=0)

    vec_res = f(ss,xx,ee,ss,xx,p)

    res = f(s0, x0, e0, s0, x0, p)

    assert(res.ndim==1)

    d = 0
    for i in range(N):
        d += abs(vec_res[i,:] - res).max()
    assert(d == 0)
Exemplo n.º 52
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def test_lint_all():

    from dolo import yaml_import
    import os
    import re

    examples_dir = 'examples/models/'
    examples = os.listdir(examples_dir)

    regex = re.compile("(.*).yaml")

    for f in examples:
        if not regex.match(f):
            continue
        print("Checking: {}".format(f))
        check = yaml_import(examples_dir + f, check_only=True)

        # TODO: need to fix Dynare lint before reenabling
        # if len(check)>1:
        #     assert("Linter Error" not in check[0]) # assert there is no linter error
        print()
Exemplo n.º 53
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def test_omega_errors():

        from dolo import yaml_import
        from dolo.algos.dtcscc.time_iteration import time_iteration as time_iteration

        model = yaml_import('examples/models/compat/rbc.yaml')

        from dolo.algos.dtcscc.perturbations import approximate_controls

        dr = approximate_controls(model)
        dr_global = time_iteration(model, verbose=False, pert_order=1)

        sigma = model.get_distribution().sigma

        s_0 = dr.S_bar

        from dolo.algos.dtcscc.accuracy import omega

        res_1 = omega(model, dr, grid=dict(orders=[10, 10]), time_discount=0.96)
        res_2 = omega(model, dr_global)

        print(res_1)
        print(res_2)
Exemplo n.º 54
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def test_eval_formula():

    from dolo.compiler.eval_formula import eval_formula
    from dolo import yaml_import, time_iteration, simulate
    import dolo.config

    from dolo import perturb

    model = yaml_import('examples/models/rbc.yaml')

    dr = perturb(model)
    sim = simulate(model, dr)
    sim = sim.sel(N=0)
    sim = sim.to_pandas()


    print(sim.columns)
    rr = eval_formula("delta*k(0)-i(0)", sim, context=model.calibration)
    rr = eval_formula("y(1) - y(0)", sim, context=model.calibration)

    sim['diff'] = model.eval_formula("delta*k(0)-i(0)", sim)
    model.eval_formula("y(1) - y(0)", sim)
    sim['ddiff'] = model.eval_formula("diff(1)-diff(-1)", sim)