Das Word2Vec Objekt in gensim
hat einen null_word
Parameter, der nicht in der Dokumentation erklärt wird.Was ist der `Null_word` Parameter in Gensim Word2Vec?
Klasse gensim.models.word2vec.Word2Vec (Sätze = keine, size = 100, alpha = 0,025, Fenster = 5, min_count = 5, max_vocab_size = keine, Probe = 0,001, Samen = 1, Arbeiter = 3 , min_alpha = 0,0001, sg = 0, hs = 0 negativ = 5, cbow_mean = 1, hashfxn =, iter = 5, null_word = 0, trim_rule = None, sorted_vocab = 1, batch_words = 10000)
Was wird für den Parameter verwendet?
den Code https://github.com/RaRe-Technologies/gensim/blob/develop/gensim/models/word2vec.py#L680 prüfen, heißt es:
if self.null_word:
# create null pseudo-word for padding when using concatenative L1 (run-of-words)
# this word is only ever input – never predicted – so count, huffman-point, etc doesn't matter
word, v = '\0', Vocab(count=1, sample_int=0)
v.index = len(self.wv.vocab)
self.wv.index2word.append(word)
self.wv.vocab[word] = v
Was ist "konkatenative L1"?