Distributed Artificial Intelligence by Unknown
Author:Unknown
Language: eng
Format: epub
ISBN: 9783030946623
Publisher: Springer International Publishing
PPO
SDPO
PD-CVaR
PD-VAR
Discount factor
0.99
0.99
0.99
0.99
Batch size
1000
1000
1000
1000
Learning rate (actor)
1eâ4
1eâ4
1eâ4
1eâ4
Learning rate (critic)
1eâ3
1eâ3
/
/
Hidden sizes
(64, 64)
(64, 64)
(64, 64)
(64, 64)
GAE factor
0.9
0.9
/
/
Clip range
0.2
0.2
/
/
/
20
/
/
# quantile atoms N
/
128
/
/
Quantile dimension
/
256
/
/
Refer to Equation (4) in [16]
C.2 Stock Transaction
For the experiment on stock market, we use Quandl1 in Python to load all market data. The trading agent is assumed to have zero market impact and zero transaction cost. When conducting this experiment, We choose 9 stocks in SP500 (AAPL, CSCO, DOW, GE, GS, JNJ, JPM, MMM, MSFT). The agents are initialized with a safe policy that always holding cash, and then trained in a rolling bias in year 2019 to evaluate the offline performance, i.e., at time step t, prices from to t are used for training. The shared part of the actor and critic network is implemented as an LSTM network. The hyper-parameters are listed in Table 4.Table 4.Hyperparameters for experiments on stock transaction.
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