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How to use the stumpy.core.z_norm function in stumpy

To help you get started, we’ve selected a few stumpy examples, based on popular ways it is used in public projects.

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TDAmeritrade / stumpy / tests / test_mstump.py View on Github

def naive_mass(Q, T, m, trivial_idx, excl_zone):
    D = np.linalg.norm(
        core.z_norm(core.rolling_window(T, m), 1) - core.z_norm(Q), axis=1
    )
    start = max(0, trivial_idx - excl_zone)
    stop = min(T.shape[0] - Q.shape[0] + 1, trivial_idx + excl_zone)
    D[start:stop] = np.inf

    return D

TDAmeritrade / stumpy / tests / test_core.py View on Github

def test_mueen_calculate_distance_profile(Q, T):
    m = Q.shape[0]
    left = np.linalg.norm(
        core.z_norm(core.rolling_window(T, m), 1) - core.z_norm(Q), axis=1
    )
    right = core.mueen_calculate_distance_profile(Q, T)
    npt.assert_almost_equal(left, right)