Python zmuv_rows_apply_inplace示例

示例#1

文件： zscore.py 项目： npinto/bangreadout

 def transform(self, X):
     _check_X(X)
     assert self._rows_mean is not None
     assert self._rows_std is not None
     out = X.copy().astype('float32')
     zmuv_rows_apply_inplace(out.T, self._rows_mean, self._rows_std)
     out[~np.isfinite(out)] = 0
     return out

示例#2

文件： test_zmuv.py 项目： npinto/bangreadout

def test_zmuv_rows():

    arr = np.random.randn(10000, 100).astype(np.float32)

    # -- numpy reference
    gt = (arr - arr.mean(0)) / arr.std(0)

    # -- cython
    rows_mean, rows_std = zmuv_rows(arr.T)
    gv = (arr - rows_mean) / rows_std
    assert_allclose(gt, gv, rtol=RTOL, atol=ATOL)
    # inplace
    zmuv_rows_apply_inplace(arr.T, rows_mean, rows_std)
    assert_allclose(gt, arr, rtol=RTOL, atol=ATOL)