cost_to_closest |
Minimum travel cost to closest N number of opportunities |

cumulative_cutoff |
Cumulative access based on a travel cost cutoff |

cumulative_interval |
Cumulative access based on maximum travel time interval |

decay_binary |
Binary (a.k.a. step) decay function |

decay_exponential |
Negative exponential decay function |

decay_linear |
Linear decay function |

decay_power |
Inverse power decay function |

decay_stepped |
Stepped decay function |

floating_catchment_area |
Floating catchment area accessibility |

gravity |
Gravity-based accessibility measures |