Deprecated functions

pp.subsample	Subsample to a fraction of the number of observations.
tl.louvain	Cluster cells into subgroups [Blondel et al., 2008, Levine et al., 2015, Traag, 2015].
logging.print_versions	Alias for print_header.
read_loom	Read .loom-formatted hdf5 file.
read_visium	Read 10x-Genomics-formatted visum dataset.