def seasonal_mean(x, freq):
    return np.array([pd_nanmean(x[i::freq]) for i in range(freq)])
Alter tags on a stream.
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/tsa/seasonal.py/seasonal_mean--crossover with--dataset/ETHPy150Open byt3bl33d3r/pth-toolkit/lib/python2.7/site-packages/samba/external/subunit/__init__.py/tag_stream