msmu.dt.save_layer

Save a copy of a modality's .X in a named layer, in place.

Parameters:

Name	Type	Description	Default
mdata	MuData	MuData to modify.	required
modality	str	Modality containing the matrix.	required
layer	str	Destination layer name.	required
overwrite	bool	Replace an existing layer when True; otherwise raise ValueError.	False

Returns:

Type	Description
MuData	The same MuData with .X copied into .layers[layer].