# tf_agents.bandits.environments.ranking_environment.ClickModel

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| [![](https://www.tensorflow.org/images/GitHub-Mark-32px.png) View source on GitHub](https://github.com/tensorflow/agents/blob/v0.19.0/tf_agents/bandits/environments/ranking_environment.py#L64-L75) |

Enumeration of user click models.

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| ## Class Variables ||
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| DISTANCE_BASED | `2` |
| GHOST_ACTIONS | `1` |
| UNKNOWN | `0` |

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