UnitRootTest._metadata#

UnitRootTest._metadata()[source]#

Header lines: null, trend, lags, method, observations, and the break when there is one.

Return type:

tuple[tuple[str, str], ...]

Returns:

Label-value pairs in display order.

Example

>>> import numpy as np
>>> adf(np.random.default_rng(0).standard_normal(200), lags=2)._metadata()[1:4]
(('Trend', 'c'), ('Lags', '2'), ('Method', 'fixed'))