Method append

pattern/vector/__init__.py:903–915

Appends the given Document to the model. If Model.weight != TF, the cache of vectors and cosine similarity is cleared (feature weights will be different now that there is a new document).

(self, document)

        self._update()

    def append(self, document):
        """ Appends the given Document to the model.
            If Model.weight != TF, the cache of vectors and cosine similarity is cleared
            (feature weights will be different now that there is a new document).
        """
        if not isinstance(document, Document):
            raise TypeError, "Model.append() expects a Document."
        document._model = self
        if document.name is not None:
            self._index[document.name] = document
        if self._weight != TF:
            self._update()
        list.append(self.documents, document)
        
    def extend(self, documents):
        """ Extends the model with the given list of documents.