For each node, the node's mechanism contributes summary rows - for a Gaussian process, the direct local effect of each parent (the fitted function's gradient at the parents' means, comparable to a regression coefficient) and the residual noise sd.
For each node, the node's mechanism contributes summary rows - for a Gaussian process, the direct local effect of each parent (the fitted function's gradient at the parents' means, comparable to a regression coefficient) and the residual noise sd.