Python _sample_condition Examples

Example #1

def test_sample_condition_3():
    """ Test the experimental condition sampling -- oversampling=10
    """
    condition = ([1, 20, 36.5], [2, 2, 2], [1, 1, 1])
    frame_times = np.linspace(0, 49, 50)
    reg, rf = _sample_condition(condition, frame_times, oversampling=10,
                                min_onset=0)
    assert_almost_equal(reg.sum(), 60.)
    assert reg[10] == 1
    assert reg[380] == 1
    assert reg[210] == 1
    assert np.sum(reg > 0) == 60
    # check robustness to non-int oversampling
    reg_, rf_ = _sample_condition(condition, frame_times, oversampling=10.,
                                  min_onset=0)
    assert_almost_equal(reg, reg_)

Example #2

File: test_hemodynamic_models.py Project: mrahim/nistats

def test_sample_condition_1():
    """ Test that the experimental condition is correctly sampled
    """
    condition = ([1, 20, 36.5], [0, 0, 0], [1, 1, 1])
    frame_times = np.linspace(0, 49, 50)
    reg, rf = _sample_condition(condition, frame_times, oversampling=1, min_onset=0)
    assert_equal(reg.sum(), 3)
    assert_equal(reg[1], 1)
    assert_equal(reg[20], 1)
    assert_equal(reg[37], 1)

    reg, rf = _sample_condition(condition, frame_times, oversampling=1)
    assert_equal(reg.sum(), 3)
    assert_equal(reg[25], 1)
    assert_equal(reg[44], 1)
    assert_equal(reg[61], 1)

Example #3

def test_sample_condition_1():
    """ Test that the experimental condition is correctly sampled
    """
    condition = ([1, 20, 36.5], [0, 0, 0], [1, 1, 1])
    frame_times = np.linspace(0, 49, 50)
    reg, rf = _sample_condition(condition, frame_times, oversampling=1,
                                min_onset=0)
    assert reg.sum() == 3
    assert reg[1] == 1
    assert reg[20] == 1
    assert reg[37] == 1

    reg, rf = _sample_condition(condition, frame_times, oversampling=1)
    assert reg.sum() == 3
    assert reg[25] == 1
    assert reg[44] == 1
    assert reg[61] == 1

Example #4

File: test_hemodynamic_models.py Project: tbng/nistats

def test_sample_condition_5():
    """ Test the experimental condition sampling -- negative onset
    """
    condition = ([-10, 0, 36.5], [2, 2, 2], [1., -1., 5.])
    frame_times = np.linspace(0, 49, 50)
    reg, rf = _sample_condition(condition, frame_times, oversampling=1)
    assert_equal(reg.sum(), 10)
    assert_equal(reg[14], 1.)
    assert_equal(reg[24], -1.)
    assert_equal(reg[61], 5.)

Example #5

def test_sample_condition_4():
    """ Test the experimental condition sampling -- negative amplitude
    """
    condition = ([1, 20, 36.5], [2, 2, 2], [1., -1., 5.])
    frame_times = np.linspace(0, 49, 50)
    reg, rf = _sample_condition(condition, frame_times, oversampling=1)
    assert reg.sum() == 10
    assert reg[25] == 1.
    assert reg[44] == -1.
    assert reg[61] == 5.

Example #6

File: test_hemodynamic_models.py Project: alpinho/nistats

def test_sample_condition_5():
    """ Test the experimental condition sampling -- negative onset
    """
    condition = ([-10, 0, 36.5], [2, 2, 2], [1., -1., 5.])
    frame_times = np.linspace(0, 49, 50)
    reg, rf = _sample_condition(condition, frame_times, oversampling=1)
    assert_equal(reg.sum(), 10)
    assert_equal(reg[14], 1.)
    assert_equal(reg[24], -1.)
    assert_equal(reg[61], 5.)

Example #7

File: test_hemodynamic_models.py Project: mrahim/nistats

def test_sample_condition_4():
    """ Test the experimental condition sampling -- negative amplitude
    """
    condition = ([1, 20, 36.5], [2, 2, 2], [1.0, -1.0, 5.0])
    frame_times = np.linspace(0, 49, 50)
    reg, rf = _sample_condition(condition, frame_times, oversampling=1)
    assert_equal(reg.sum(), 10)
    assert_equal(reg[25], 1.0)
    assert_equal(reg[44], -1.0)
    assert_equal(reg[61], 5.0)

Example #8

File: test_hemodynamic_models.py Project: mrahim/nistats

def test_sample_condition_2():
    """ Test the experimental condition sampling -- onset = 0
    """
    condition = ([0, 20, 36.5], [2, 2, 2], [1, 1, 1])
    frame_times = np.linspace(0, 49, 50)
    reg, rf = _sample_condition(condition, frame_times, oversampling=1, min_onset=-10)
    assert_equal(reg.sum(), 6)
    assert_equal(reg[10], 1)
    assert_equal(reg[48], 1)
    assert_equal(reg[31], 1)

Example #9

def test_sample_condition_2():
    """ Test the experimental condition sampling -- onset = 0
    """
    condition = ([0, 20, 36.5], [2, 2, 2], [1, 1, 1])
    frame_times = np.linspace(0, 49, 50)
    reg, rf = _sample_condition(condition, frame_times, oversampling=1,
                                min_onset=- 10)
    assert reg.sum() == 6
    assert reg[10] == 1
    assert reg[48] == 1
    assert reg[31] == 1

Example #10

File: test_hemodynamic_models.py Project: mrahim/nistats

def test_sample_condition_3():
    """ Test the experimental condition sampling -- oversampling=10
    """
    condition = ([1, 20, 36.5], [2, 2, 2], [1, 1, 1])
    frame_times = np.linspace(0, 49, 50)
    reg, rf = _sample_condition(condition, frame_times, oversampling=10, min_onset=0)
    assert_almost_equal(reg.sum(), 60.0)
    assert_equal(reg[10], 1)
    assert_equal(reg[380], 1)
    assert_equal(reg[210], 1)
    assert_equal(np.sum(reg > 0), 60)

Example #11

def test_sample_condition_3():
    """ Test the experimental condition sampling -- oversampling=10
    """
    condition = ([1, 20, 36.5], [2, 2, 2], [1, 1, 1])
    frame_times = np.linspace(0, 49, 50)
    reg, rf = _sample_condition(condition, frame_times, oversampling=10,
                               min_onset=0)
    assert_almost_equal(reg.sum(), 60.)
    assert_equal(reg[10], 1)
    assert_equal(reg[380], 1)
    assert_equal(reg[210], 1)
    assert_equal(np.sum(reg > 0), 60)