ray.data.block.BlockAccessor.to_numpy

BlockAccessor.to_numpy(columns: str | List[str] | None = None) → numpy.ndarray | Dict[str, numpy.ndarray]

Convert this block (or columns of block) into a NumPy ndarray.

Parameters:

columns – Name of columns to convert, or None if converting all columns.

Returns:

A NumPy ndarray when a single column is selected, or a dict mapping column names to ndarrays when multiple columns are selected.