agramfort/mne-python — pull request #4 by mluessi (2012-12-18 18:00:43+00:00)
Title: Scale pca_flip with power

After running the example:

In [2]: np.sum(stc_label.data ** 2)
Out[2]: 246555.28165062281

In [3]: np.sum(pca ** 2) * len(stc_label.data)
Out[3]: 246555.28165062316