moscot.costs.LeafDistance

class moscot.costs.LeafDistance(adata, weight='weight', **kwargs)

Shortest path distance on a weighted tree.

Note

This class ignores attr which is always set to uns.

See also

• See Lineage tree on how to use this cost in the LineageProblem.

Parameters:

• adata (AnnData) – Annotated data object. The tree is always extracted from the uns attribute.

• weight (Union[str, Callable[[Any, Any, Dict[Any, Any]], float]]) – If a str, it is the edge weight attribute of the tree. If a function, it must accept arguments as described in multi_source_dijkstra().

• kwargs (Any) – Keyword arguments for the BaseCost.

Methods

__call__(*args, **kwargs)

Compute the cost matrix.

Attributes

adata	Annotated data object.
tree	Tree.