umap参数：
umap_model = UMAP(
  n_neighbors=15, 
  n_components=5, 
  min_dist=0.0, 
  metric='cosine',
  random_state=42  
)
hdbscan参数：
hdbscan_model = HDBSCAN(
  min_cluster_size=28,
  min_samples=1,
  #metric='euclidean'
  prediction_data=True
)