コード例 #1
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def load_inference(loglikelihood, working_path, *param_data):
    """
    Load previous simulation results.

    :param loglikelihood: loglikelihood data of inference
    :param working_path: Where to print the results
    :param param_data: List containing: [name, range_min, range_max, resolution, mean, sigma, value]
    :return: inference object ready to evaluate
    """
    p = []
    for item in param_data:
        p.append(
            RandomVariable(name=item[0],
                           range_min=float(item[1]),
                           range_max=float(item[2]),
                           resolution=float(item[3]),
                           mean=float(item[4]),
                           sigma=float(item[5]),
                           value=float(item[6])))

    pset = ParameterSet(*p)
    res = Analyse(loglikelihood, pset, working_path)
    print("Previous inference data result loaded!")

    return res
コード例 #2
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def load_parameter_set(params_data):
    """
    Create ParameterSet object from parameter data
    :param params_data: Data list of parameters (save_params output) [param1, param2, ...] param1=param_init...
    :return: ParameterSet object 
    """
    from module.probability import RandomVariable, ParameterSet

    p = []
    for item in params_data:
        p.append(
            RandomVariable(name=item[0], range_min=float(item[1]), range_max=float(item[2]), resolution=float(item[3]),
                           mean=float(item[4]), sigma=float(item[5]), value=float(item[6])))
    p_set = ParameterSet(*p)

    return p_set
コード例 #3
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print(invcovmat.shape)

# END OF SETTING UP SIMULATION PARAMETERS -----------------------------------------------------------------------------

# Set up parameters using prior information about them (fix the range we are assuming the true parameter)
prior_params = []
for idx, item in enumerate(p_names):
    prior_params.append(
        RandomVariable(name=item,
                       range_min=p_range[idx][0],
                       range_max=p_range[idx][1],
                       resolution=p_res[idx],
                       sigma=p_std[idx],
                       mean=p_mean[idx]))

prior_set = ParameterSet(*prior_params)
prior_set.batch_len = batch_size
if batch_size is not None:
    prior_set.isBatch = True
else:
    prior_set.isBatch = False
prior_set.create_batch()

# Create fixed params sampled from prior
fixed_params = sampling_from_prior(prior_set, fixed_param_num)

# Save parameter informations
# Create database for data
database = tb.open_file(
    "/Users/Dani/TDK/parameter_estim/stim_protocol2/comb_colored_srsoma-rdend_gpas-dens/paramsetup.hdf5",
    mode="w")
コード例 #4
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                        mean=current_Ra,
                        sigma=pRa.sigma)
    gpas = RandomVariable(name='gpas',
                          range_min=gpas_start,
                          range_max=gpas_end,
                          resolution=40,
                          mean=current_gpas,
                          sigma=pgpas.sigma)
    cm = RandomVariable(name='cm',
                        range_min=cm_start,
                        range_max=cm_end,
                        resolution=40,
                        mean=current_cm,
                        sigma=pcm.sigma)

    Ra_cm_gpas = ParameterSet(Ra, cm, gpas)
    inference = IndependentInference(
        data,
        Ra_cm_gpas,
        working_path="/Users/Dani/TDK/parameter_estim/stim_protocol2/ramp",
        speed='min')

    multi_comp = partial(
        stick_and_ball, stype='custom',
        custom_stim=stim)  # fix chosen stimulus type for simulations

    if __name__ == '__main__':
        inference.run_sim(multi_comp, noise_sigma)

    inference.run_evaluation()
コード例 #5
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    # Set up random variables
    Ra = RandomVariable(name='Ra',
                        range_min=Ra_start,
                        range_max=Ra_end,
                        resolution=80,
                        mean=current_Ra,
                        sigma=pRa.sigma)
    gpas = RandomVariable(name='gpas',
                          range_min=gpas_start,
                          range_max=gpas_end,
                          resolution=80,
                          mean=current_gpas,
                          sigma=pgpas.sigma)

    Ra_gpas = ParameterSet(Ra, gpas)
    inference = DependentInference(
        data,
        Ra_gpas,
        working_path="/Users/Dani/TDK/parameter_estim/stim_protocol/mc")
    multi_comp = partial(
        stick_and_ball,
        stype='broad')  # fix chosen stimulus type for simulations

    if __name__ == '__main__':
        inference.run_sim(multi_comp, inv_covmat)

    inference.run_evaluation()

    # Do statistics for the current inference
    if stat(Ra) is not str:
コード例 #6
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        "/Users/Dani/TDK/parameter_estim/stim_protocol2/zap/best_comb/%i/stim.txt"
        % item)
    working_path = "/Users/Dani/TDK/parameter_estim/stim_protocol2/zap/best_comb/%i" % item

    # Do statistics for each parameter
    stat_list = []
    for _ in p_names:
        stat_list.append(np.empty((n, 6), dtype=np.float))

    # Load fixed parameters: list of parameters to be inferred
    fixed_params = []
    for name in p_names:
        fixed_params.append(get_default_param(name))

    # Generate deterministic trace and create synthetic data with noise model
    t, v = model(stype='custom', custom_stim=stim)
    data = white(noise, v)

    pset = ParameterSet(*fixed_params)

    modell = partial(model, stype='custom', custom_stim=stim)
    inf = IndependentInference(model=modell,
                               noise_std=noise,
                               target_trace=data,
                               parameter_set=pset,
                               working_path=working_path,
                               speed=speed)

    if __name__ == '__main__':
        inf.run_sim()
コード例 #7
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# Set up random seed
np.random.seed(42)

# Set up parameters using prior information about them (fix the range we are assuming the true parameter)
prior_params = []
for idx, item in enumerate(p_names):
    prior_params.append(
        RandomVariable(name=item,
                       range_min=p_range[idx][0],
                       range_max=p_range[idx][1],
                       resolution=p_res[idx],
                       sigma=p_std[idx],
                       mean=p_mean[idx]))

prior_set = ParameterSet(*prior_params)

# Create fixed params sampled from prior
fixed_params = sampling_from_prior(prior_set, fixed_param_num)

for idx, current_params in enumerate(fixed_params):
    print(
        "\n\n---------------------------------------- %ith FIXED PARAMETER -------------------------------------"
        % idx)

    for param in prior_set.params:
        param.value = current_params[param.name]

    for item in hz:
        print(
            "\n\n---------------------------------------- Running %i Hz zap protocol"
コード例 #8
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    for item in hz:
        print("\n\n---------------------------------------- Running %i Hz zap protocol" % item)

        # Stimulus path
        stim = np.loadtxt("/Users/Dani/TDK/parameter_estim/stim_protocol2/zap/%i/stim.txt" % item)
        working_path = "/Users/Dani/TDK/parameter_estim/stim_protocol2/zaps/%i(%i)" % (item,i)

        # Generate deterministic trace and create synthetic data with noise model
        _, v = model(stype='custom', custom_stim=stim,
                     Ra=current_value['Ra'], gpas=current_value['gpas'], cm=current_value['cm'])

        # Generate noise_rep synthetic data (noise_rep portion noise realisation)
        data = more_w_trace(noise, v, noise_rep)

        pset = ParameterSet(*current_params)

        modell = partial(model, stype='custom', custom_stim=stim)
        inf = IndependentInference(model=modell, noise_std=noise, target_trace=data, parameter_set=pset, working_path=working_path)

        if __name__ == '__main__':
            inf.run_moretrace_inf()

    for item in duration:
        print("\n\n---------------------------------------- Running %i ms impulse protocol" % item)

        # Stimulus path
        stim = np.loadtxt("/Users/Dani/TDK/parameter_estim/stim_protocol2/steps/%i/stim.txt" % item)
        working_path = "/Users/Dani/TDK/parameter_estim/stim_protocol2/steps/%i(%i)" % (item, i)

        # Generate deterministic trace and create synthetic data with noise model
コード例 #9
0
                    range_max=1.5,
                    resolution=60,
                    mean=1.2,
                    sigma=0.2,
                    value=1.)
gpas = RandomVariable(name='gpas',
                      range_min=0.00005,
                      range_max=0.00015,
                      resolution=60,
                      mean=0.00008,
                      sigma=0.00002,
                      value=0.0001)
# Ra = RandomVariable(name='Ra', range_min=50., range_max=150., resolution=60, mean=100., sigma=20.)

# 2.) Set up parameter set
cm_gpas = ParameterSet(cm, gpas)

# 3.) Sythetic data
t, v = stick_and_ball()
exp_v = white(noise, v)

# 4.) Set up inference
inf = IndependentInference(
    model=stick_and_ball,
    noise_std=noise,
    target_trace=exp_v,
    parameter_set=cm_gpas,
    working_path=
    "/home/terbed/PROJECTS/SPE/parameter-inference/module/examples/output",
    speed='max',
    save=False)