field_cost_model: Field cost model

In fieldopt: Area-Frame and Dual-Frame Survey Design under Real Field Cost

Field cost model

Description

Converts a routing solution and a sample into money (or time): a cost per unit of travel, a fixed cost per route (a team-day: allowances, vehicle, lodging), a fixed cost per visited unit (access, setup) and a cost per interview.

Usage

field_cost_model(
  per_travel = 1,
  per_unit = 0,
  per_interview = 0,
  interviews_per_unit = 1,
  per_route = 0,
  currency = "cost"
)

Arguments

per_travel	Cost per unit of the travel matrix (per km, per minute).
per_unit	Fixed cost of visiting one unit.
per_interview	Cost of one interview.
interviews_per_unit	Expected interviews per visited unit: a single number, a vector with one value per row of the travel matrix (depot included, in the same order), or a function of the row indices of the visited units.
per_route	Fixed cost of one route (one team for one day).
currency	Label for reports.

Value

An object of class field_cost_model.

Examples

field_cost_model(per_travel = 1.2, per_unit = 50, per_interview = 15, interviews_per_unit = 8)

fieldopt documentation built on Oct. 22, 2026, 1:07 a.m.