@classmethod
    @abstractmethod
    def from_data(self):
        pass
A linear mean function with parameters that we'll learn alongside the kernel
dataset/ETHPy150Open memphis-iis/GLUDB/gludb/data.py/Storable.from_data--crossover with--dataset/ETHPy150Open SheffieldML/GPy/GPy/testing/meanfunc_tests.py/MFtests.test_parametric_mean_function