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# Dataset Card for Pong-v4-expert-MCTS
## Table of Contents
- [Dataset Description](#dataset-description)
- [Dataset Structure](#dataset-structure)
- [Data Instances](#data-instances)
- [Data Fields](#data-fields)
- [Data Splits](#data-splits)
## Dataset Description
This dataset includes 8 episodes of pong-v4 environment. The expert policy is EfficientZero, which is able to generate MCTS hidden states.
## Dataset Structure
### Data Instances
A data point comprises tuples of sequences of (observations, actions, hidden_states):
```
{
"obs":datasets.Array2D(),
"actions":datasets.Array2D(),
"hidden_state":datasets.Array2D(),
}
```
### Data Fields
- `obs`: An Array2D containing observations from 8 trajectories of an evaluated agent.
- `actions`: An Array2D containing actions from 8 trajectories of an evaluated agent.
- `hidden_state`: An Array2D containing corresponding hidden states generated by EfficientZero, from 8 trajectories of an evaluated agent.
### Data Splits
There is only a training set for this dataset, as evaluation is undertaken by interacting with a simulator.
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