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# init(validationData:algorithm:language:tokenColumnValidationData:labelColumnValidationData:)

Creates model parameters.

```
init(validationData: MLDataTable?, algorithm: MLWordTagger.ModelAlgorithmType = .crf(revision: 1), language: NLLanguage? = nil, tokenColumnValidationData: String? = nil, labelColumnValidationData: String? = nil)
```

## Parameters

`validationData`

The validation data table.

`algorithm`

The algorithm type.

`language`

The language of the text to tag.

`tokenColumnValidationData`

The name of the column containing the tokens in the validation data table.

`labelColumnValidationData`

The optional name of the column containing the token labels in the validation data table.

---

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