, components=None, include_lowest=True, n_points=None, show=None, save=None)

Rank genes according to contributions to PCs.

adata : AnnData

Annotated data matrix.

components : Union[str, Sequence[int], None] (default: None)

For example, '1,2,3' means [1, 2, 3], first, second, third principal component.

include_lowest : bool (default: True)

Whether to show the variables with both highest and lowest loadings.

show : Optional[bool] (default: None)

Show the plot, do not return axis.

n_points : Optional[int] (default: None)

Number of variables to plot for each component.

save : Union[str, bool, None] (default: None)

If True or a str, save the figure. A string is appended to the default filename. Infer the filetype if ending on {'.pdf', '.png', '.svg'}.


import scanpy as sc
adata = sc.datasets.pbmc3k_processed()

Show first 3 components loadings, components = '1,2,3')