题目概率之和不等于1

Question

#我在做主题建模 但是在计算每个主题的概率时，总和不等于

#vectorizer
ctfidf  =  ClassTfidfTransformer()
bow  =  CountVectorizer(ngram_range=(1,3))#Reduce dimensionality

#Reduce dimensionality
umap_model = UMAP(n_neighbors=15, n_components=5, min_dist=0.0, metric='cosine', random_state=42)

#Cluster reduced embeddings
hdbscan_model = HDBSCAN(min_cluster_size=15, metric='euclidean', cluster_selection_method='eom', prediction_data=True)

#model
embedding_model = 'all-MiniLM-L6-v2'

model = BERTopic(language='Portuguese',
embedding_model = embedding_model,
umap_model = umap_model,
hdbscan_model = hdbscan_model,
vectorizer_model = bow,
ctfidf_model=ctfidf,
nr_topics=11 ,
calculate_probabilities=True)

topics, prob = model.fit_transform(corpus)

#set（主题） #{0, 1}

#概率[0] #array([0.01342076, 0.78132301])