Utils

Miscellaneous functions and helpers for the uclasm package.

one_hot(idx, length)

Return a 1darray of zeros with a single one in the idx’th entry.

index_map(args)

Return a dict mapping elements to their indices.

Parameters:args (Iterable[str]) – Strings to be mapped to their indices.

invert(dict_of_sets)

TODO: Docstring.

values_map_to_same_key(dict_of_sets)

TODO: Docstring.

apply_index_map_to_cols(df, cols, values)

Replace df[cols] with their indexes as taken from names.

Parameters:

• df (DataFrame) – To be modified inplace.
• cols (Iterable[str]) – Columns of df to operate on.
• values (Iterable[str]) – Values expected to be present in df[cols] to be replaced with their corresponding indexes.