[utils]

Utils to manipulate datasets (load, save, split...).

Data loading and saving

declearn provides with utils to load and save array-like data tensors to and from various file formats:

• load_data_array: Load a data array (numpy, scipy, pandas) from a dump file.
• save_data_array: Save a data array (numpy, scipy, pandas) to a dump file.
• sparse_from_file: Backend to load a sparse matrix from a dump file.
• sparse_to_file: Backend to save a sparse matrix to a dump file

Data splitting

• split_multi_classif_dataset: Split a classification dataset into (opt. heterogeneous) shards.