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TFIDFVectorizerModel

Vectorizer
DashAI.back.models.RAG.retrievers.sparse.TFIDFVectorizerModel

Component that encapsulates a :class:TfidfVectorizer.

Validates parameters against :class:TFIDFVectorizerSchema and constructs the underlying scikit-learn vectorizer.

Parameters​

strip_accents : string, default=None
Whether to strip accents from the text.
lowercase : boolean, default=True
Whether to convert all characters to lowercase.
analyzer : string, default=word
Whether the feature should be made of word or character n-grams.
stop_words : array, default=[]
List of stop words. Leave empty to use none.
ngram_range : array, default=[1, 1]
Lower and upper boundary of the n-gram range.
max_df : number, default=1.0
Ignore terms with document frequency above this threshold.
min_df : number, default=0.0
Ignore terms with document frequency below this threshold.
max_features : integer, default=1000
Maximum number of features. 0 means no limit.
norm : string, default=l2
Norm used to normalize term vectors.
use_idf : boolean, default=True
Enable inverse-document-frequency reweighting.
smooth_idf : boolean, default=True
Smooth IDF weights to prevent zero divisions.
sublinear_tf : boolean, default=False
Apply sublinear TF scaling (1 + log(tf)).

Methods​

get_credential(self, name: str)

Defined on ConfigObject

Resolve a registered credential component by name.

Parameters

name : str
Credential component class name (e.g. "HuggingFaceCredential").

Returns

BaseCredential
An instance of the requested credential component.

get_schema(cls) -> dict

Defined on ConfigObject

Generates the component related Json Schema.

Returns

dict
Dictionary representing the Json Schema of the component.

validate_and_transform(self, raw_data: dict) -> dict

Defined on ConfigObject

It takes the data given by the user to initialize the model and returns it with all the objects that the model needs to work.

Parameters

raw_data : dict
A dictionary with the data provided by the user to initialize the model.

Returns

dict
A validated dictionary with the necessary objects.