Transformation

Pseudobulk.copy	Make a copy of this Pseudobulk dataset.
Pseudobulk.to_df	Convert this Pseudobulk object to a polars DataFrame, with one row per (sample, cell type) pair and one column per gene.
Pseudobulk.map_X	Apply a function to each cell type's X.
Pseudobulk.map_obs	Apply a function to each cell type's obs.
Pseudobulk.map_var	Apply a function to each cell type's var.