| aggregateBioVar | Aggregate subject-level biological variation |
| countsByCell | Within cell type gene-by-subject matrices |
| countsBySubject | Gene-by-subject count matrix |
| scSubjects | SingleCellExperiment subject values |
| small_airway | Small Airway 'SingleCellExperiment' object |
| subjectMetaData | Collate metadata variation |
| summarizedCounts | Aggregate feature counts and metadata by subject |