Mean-zero score identity
= Mean-zero score identity
Under regularity permitting differentiation under the integral, $\mathbb E_\theta S_1(\theta)=\nabla_\theta\int f(x,\theta)dx=0$.
= Mean-zero score identity
Under regularity permitting differentiation under the integral, $\mathbb E_\theta S_1(\theta)=\nabla_\theta\int f(x,\theta)dx=0$.