Python: gensim: RuntimeError: you must first build vocabulary before training the model
Input to the gensim's Word2Vec can be a list of sentences or list of words or list of list of sentences.
E.g.
1. sentences = ['I love ice-cream', 'he loves ice-cream', 'you love ice cream']2. words = ['i','love','ice - cream', 'like', 'ice-cream']3. sentences = [['i love ice-cream'], ['he loves ice-cream'], ['you love ice cream']]build the vocab before training
model.build_vocab(sentences, update=False)