gistfile1.txt

def bin_freqs(x, nbins):
    return (
        x.T.reshape((-1, int(x.shape[0] / nbins))).mean(axis=-1).reshape((-1, nbins)).T
    )


def compact_freqs(x):
    return np.vstack(
        (
            x[:16],
            bin_freqs(x[16:32], 16),
            bin_freqs(x[32:64], 16),
            bin_freqs(x[64:128], 16),
            bin_freqs(x[128:256], 16),
            bin_freqs(x[256:512], 16),
        )
    )