Source code for process_improve.experiments.designs_factorial

# (c) Kevin Dunn, 2010-2026. MIT License.

"""Various factorial designs."""

from .structures import c, create_names, expand_grid




def full_factorial(nfactors: int, names: list | None = None) -> list:
    """Create a full factorial (2^k) design for the case when there are `nfactors` [integer] number of factors.

    The optional list of `names` can be provided. The entries in the list
    should be strings. If not provided, the names will be created.
    """
    nfactors = int(nfactors)
    if names is None:
        names = create_names(nfactors)

    # Expand the full factorial out into variables
    return expand_grid(**dict(zip(names, [c(-1, +1)] * len(names), strict=False)))