Import CellRank as:

import cellrank as cr

Once velocities and the velocity graph have been computed using either scvelo or velocyto, CellRank offers two modes to interact with its core functionality:

Additionally, there is a set of plotting functions which can be used downstream of either analysis mode.

The utilities are mainly for fitting continuous models to gene expression data and are utilized in some of the plotting functions, like cellrank.pl.gene_trends().