sample_one.obs['cell_clusters']=cell_clusters_ordered.values
五.运行RNA Velocity
#Running RNA Velocity
scv.pp.filter_and_normalize...(sample_one,min_shared_counts=30, n_top_genes=2000)
scv.pp.moments(sample_one, n_pcs=30, n_neighbors=...30)
scv.tl.velocity(sample_one, mode = "stochastic")
scv.tl.velocity_graph(sample_one)
scv.pl.velocity_embedding...(sample_one, basis='X_umap',arrow_size=5)
ident_colours = ["#F8766D","#7CAE00","#00BFC4","#C77CFF"]
scv.pl.velocity_embedding_stream