Machine Learning, Deep Learning, Artificial Intelligence, NLP, AI.
(S_t, A_t) that we get at time step t while generating text using the current policy 𝜋. Replacing q_𝜋(S_t, A_t) with G_t, we get the final form of the REINFORCE update. Ok, what’s G_t? It can be thought of as the cumulative reward that we can expect while following the policy 𝜋 from time step t