예제 #1
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def test_surrogate_analysis_fdr():
    rng = np.random.RandomState(0)

    data = np.load("../examples/data/eeg_32chans_10secs.npy")
    ts1 = data[0, 0:512].ravel()
    ts2 = data[1, 0:512].ravel()

    p_val, surr_vals, surrogates, r_value = surrogate_analysis(
        ts1,
        ts2,
        num_surr=1000,
        estimator_func=None,
        ts1_no_surr=False,
        rng=rng)

    num_ts = 2
    num_pvals = num_ts * (num_ts - 1) / 2.0
    num_pvals = np.int32(num_pvals)
    p_vals = np.ones([num_pvals, 1]) * p_val
    h, crit_p = fdr(p_vals, 0.01, 'pdep')

    expected_result = np.load("data/test_ts_surrogates_fdr_h.npy")
    assert h == expected_result

    expected_result = np.load("data/test_ts_surrogates_fdr_crit_p.npy")
    assert crit_p == expected_result
예제 #2
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def test_fdr():
    pvals = np.ones((1, 2 * (2 - 1) / 2)) * 0.0025
    q = 0.01
    method = "pdep"

    h, crit_p = fdr(pvals, q, method)

    h = h.ravel()[0]
    crit_p = crit_p.ravel()[0]

    assert h == True
    assert crit_p == 0.0025
예제 #3
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def test_fdr():
    num_pvals = 2 * (2 - 1) / 2.0
    num_pvals = np.int32(num_pvals)

    pvals = np.ones((1, num_pvals)) * 0.0025
    q = 0.01
    method = "pdep"

    h, crit_p = fdr(pvals, q, method)

    h = h.ravel()[0]
    crit_p = crit_p.ravel()[0]

    assert h == True
    assert crit_p == 0.0025
예제 #4
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def test_surrogate_analysis2_fdr():
    rng = np.random.RandomState(0)

    data = np.load("../examples/data/eeg_32chans_10secs.npy")
    ts1 = data[0, 0:512].ravel()
    ts2 = data[1, 0:512].ravel()

    p_val, surr_vals, surrogates, r_value = surrogate_analysis(
        ts1, ts2, num_surr=1000, ts1_no_surr=True, rng=rng)

    num_ts = 2
    p_vals = np.ones([num_ts * (num_ts - 1) / 2, 1]) * p_val
    h, crit_p = fdr(p_vals, 0.01, 'pdep')

    expected_result = np.load("data/test_ts_surrogates2_fdr_h.npy")
    assert h == expected_result
예제 #5
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# -*- coding: utf-8 -*-

import numpy as np
np.set_printoptions(precision=3, linewidth=256)

from dyfunconn.ts import fdr, surrogate_analysis

if __name__ == "__main__":
    rng = np.random.RandomState(0)

    data = np.load(
        "/home/makism/Github/dyfunconn/examples/data/eeg_32chans_10secs.npy")
    ts1 = data[0, :].ravel()
    ts2 = data[1, :].ravel()

    p_val, corr_surr, surrogates, r_value = surrogate_analysis(
        ts1, ts2, num_surr=1000, ts1_no_surr=True, rng=rng)

    num_ts = 2
    p_vals = np.ones([num_ts * (num_ts - 1) / 2, 1]) * p_val
    q = 0.01
    method = 'pdep'
    h, crit_p = fdr(p_vals, q, method)

    print("p-value: {0}, h: {1} (critical p-value: {2})".format(
        p_val, h, crit_p))