def _compute_W(self):
        self.W = L.inv(self.S)
Center kernel matrix.
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/sandbox/panel/mixed.py/Unit._compute_W--crossover with--dataset/ETHPy150Open scikit-learn/scikit-learn/sklearn/preprocessing/data.py/KernelCenterer.transform