scib_metrics.utils.pca

scib_metrics.utils.pca(X, n_components=None, return_svd=False)

Principal component analysis (PCA).

Parameters:

• X (Union[ndarray, Array]) – Array of shape (n_cells, n_features).

• n_components (Optional[int] (default: None)) – Number of components to keep. If None, all components are kept.

• return_svd (bool (default: False)) – If True, also return the results from SVD.

Return type:

_PCAResult

Returns:

results: _PCAData