def get_source_package_infos(fname):
    match = re.match(SOURCE_PATTERN, osp.basename(fname))
    if match is not None:
        return match.groups()[:2]
Compute exact loglikelihood for ARMA(p,q) model by the Kalman Filter.
dataset/ETHPy150Open winpython/winpython/winpython/utils.py/get_source_package_infos--crossover with--dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/tsa/arima_model.py/ARMA.loglike_kalman