scvelo

Performs RNA velocity analysis with scVelo on single-cell RNA-seq AnnData objects that have spliced and unspliced layers (from velocyto, STARsolo, kallisto|bustools, or alevin-fry). Covers stochastic and dynamical velocity models, velocity graphs and embedding arrows, latent time, PAGA trajectory graphs, and driver gene ranking. Use when inferring differentiation direction from snapshot data, estimating latent time from splicing kinetics, finding driver genes of a trajectory, or adding velocity arrows to a Scanpy UMAP. Not for fate probability modeling (use CellRank) or datasets without unspliced counts.

Version

1.2

License

BSD-3-Clause

Compatibility

Requires Python 3.10+ with scvelo, scanpy, and anndata. Verified against scvelo 0.3.4, whose dynamical model and pl.scatter need pandas<3 and whose stochastic estimator needs numpy<2; the deterministic estimator works on current releases.