traveler.steps.simple_choice.logsum#

simple_choice.logsum(store, *, choosers=None, param=None)[source]#

Compute logsum accessibility values for choosers.

Parameters:

  • store (AbstractStore) – Store containing chooser and supporting model data.

  • choosers (WorkingTable or None, optional) – Choosers to evaluate. When omitted, use the configured table.

  • param (dict[str, float] or None, optional) – Utility coefficients. When omitted, use the model’s parameters.

Returns:

Logsum value for each chooser.

Return type:

jax.Array