def _smooth_basis_for_single_variable(self):
basis = dmatrix("cc(x, df=" + str(self.df) + ") - 1", {"x": self.x})
self.design_info = basis.design_info
n_inner_knots = self.df - 2 + 1 # +n_constraints
# TODO: from CubicRegressionSplines class
all_knots = _get_all_sorted_knots(self.x, n_inner_knots=n_inner_knots,
inner_knots=None,
lower_bound=None, upper_bound=None)
b, d = self._get_b_and_d(all_knots)
s = self._get_s(b, d)
return basis, None, None, s
def _smooth_basis_for_single_variable(self):
basis = dmatrix("cc(x, df=" + str(self.df) + ") - 1", {"x": self.x})
self.design_info = basis.design_info
n_inner_knots = self.df - 2 + 1 # +n_constraints
# TODO: from CubicRegressionSplines class
all_knots = _get_all_sorted_knots(self.x, n_inner_knots=n_inner_knots,
inner_knots=None,
lower_bound=None, upper_bound=None)
b, d = self._get_b_and_d(all_knots)
s = self._get_s(b, d)
return basis, None, None, s