Function test_weighted_std_equal_weights

xarray/tests/test_weighted.py:474–485

(da, skipna, factor)

@pytest.mark.parametrize("skipna", (True, False))
@pytest.mark.parametrize("factor", [1, 2, 3.14])
def test_weighted_std_equal_weights(da, skipna, factor):
    # if all weights are equal (!= 0), should yield the same result as std

    da = DataArray(da)

    # all weights as 1.
    weights = xr.full_like(da, factor)

    expected = da.std(skipna=skipna)
    result = da.weighted(weights).std(skipna=skipna)

    assert_equal(expected, result)


@pytest.mark.parametrize(