DeepMind x UCL RL Lecture Series - Multi-step & Off Policy [11/13]

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Research Scientist Hado van Hasselt discusses multi-step and off policy algorithms, including various techniques for variance reduction.

Google DeepMind

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Sorry but that v-trace, isn't just a "clip the ratio"? isn't it a common thing in DL, like gradient clipping to avoid exploding gradient, or in WGAN? or am i missing something

bertobertoberto

How do we use per-decision importance weighting and control-variants technique in practice?for example like in Actor-Critic off-policy learning settings using replay buffer or demonstration learning? We don't know the target policy in practice, how we can get the value for $ro$ ?

haliteabudureyimu

How do you calculated the variance at 58:00? E[x^2] - E[x]^2 ?

Saurabhsingh-clpx

what software/hardware is used for drawing at 26:04 ?

EngIlya

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