2020-07-03 17:48:21 +03:00
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---
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title: Model Architectures
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teaser: Pre-defined model architectures included with the core library
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source: spacy/ml/models
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---
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2020-07-08 14:34:35 +03:00
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TODO: intro and how architectures work, link to
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[`registry`](/api/top-level#registry),
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[custom models](/usage/training#custom-models) usage etc.
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## Parser architectures {source="spacy/ml/models/parser.py"}
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### spacy.TransitionBasedParser.v1
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<!-- TODO: intro -->
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> #### Example Config
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>
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> ```ini
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> [model]
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> @architectures = "spacy.TransitionBasedParser.v1"
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> nr_feature_tokens = 6
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> hidden_width = 64
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> maxout_pieces = 2
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>
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> [model.tok2vec]
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> # ...
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> ```
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| Name | Type | Description |
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| ------------------- | ------------------------------------------ | ----------- |
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| `tok2vec` | [`Model`](https://thinc.ai/docs/api-model) | |
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| `nr_feature_tokens` | int | |
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| `hidden_width` | int | |
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| `maxout_pieces` | int | |
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| `use_upper` | bool | |
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| `nO` | int | |
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