September 2018
Intermediate to advanced
296 pages
9h 10m
English
Content preview from Python Reinforcement Learning Projects
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Policy
A policy is an algorithm or a set of rules that describe how an agent makes its decisions. An example policy can be the strategy an investor uses to trade stocks, where the investor buys a stock when its price goes down and sells the stock when the price goes up.
More formally, a policy is a function, usually denoted as 
, that maps a state, 
, to an action, 
:
This means that an agent decides its action given its current state. This function ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.